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Company Information:

Company Name: Weidlinger Associates, Inc.
City: New York
State: NY
Zip+4: -
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Website URL: http://www.wai.com
Phone: (202) 822-6110

Award Totals:

Program/Phase Award Amount ($) Number of Awards
SBIR Phase I $3,453,564.00 45
SBIR Phase II $12,469,856.00 22
STTR Phase I $538,751.00 6
STTR Phase II $986,000.00 2

Award List:

NUMERICAL METHODS FOR INVERSE PROBLEMS IN THREE-DIMENSIONAL GEOPHYSICAL MODELING

Award Year / Program / Phase: 1985 / SBIR / Phase I
Agency: NSF
Principal Investigator: Victor L Pereyra , Senior Research Scientist
Award Amount: $40,000.00

MODELING OF 3-D DIFFRACTION AND SCATTERING FROM SUBMICRON OBJECTS ON SILICON FOR PARTICULATE MONITORING AND PHOTOLITHOGRAPHY

Award Year / Program / Phase: 1985 / SBIR / Phase I
Agency: NSF
Principal Investigator: Greogory L Wojcik , Associate
Award Amount: $40,000.00

NUMERICAL METHODS FOR INVERSE PROBLEMS IN THREE-DIMENSIONAL GEOPHYSICAL MODELING

Award Year / Program / Phase: 1987 / SBIR / Phase II
Agency: NSF
Principal Investigator: Victor L Pereyra , Senior Research Scientist
Award Amount: $198,000.00
Abstract:
Numerical algorithms will be developed and implemented for the mathematical modeling of compllex geeological regions by inversion of seismic reflection and reefraction data. surface modeling, ray tracing, nonlinear least-squares and large-scale finite element solutions of the elastic wave equation… More

MODELING OF 3-D DIFFRACTION AND SCATTERING FROM SUBMICRON OBJECTS ON SILICON FOR PARTICULATE MONITORING AND PHOTOLITHOGRAPHY

Award Year / Program / Phase: 1987 / SBIR / Phase II
Agency: NSF
Principal Investigator: Greogory L Wojcik , Associate
Award Amount: $236,000.00
Abstract:
In phase i, we proposes to use three-dimensional numerical solutions of maxwell's equations to show that diffraction and scattering problems in photolithography and defect inspection can be addressed by analysis. these solutions will develop data of great benefit to manufacturers of integrated… More

A PROPOSAL TO EVALUATE CAPABILITIES OF SOVIET PASSIVE SENSOR ARRAY DESIGNS

Award Year / Program / Phase: 1987 / SBIR / Phase I
Agency / Branch: DOD / USAF
Principal Investigator: Gregory l wojcik
Award Amount: $49,819.00
Abstract:
This is a proposal to use array processing techniques in conjunction with seismo-acoustic wave modeling to evaluate the ability to landbased passive sensor arrays to locate multiple sources in the presence of background noise, complex signal travel paths, and multiple wave types and polarizations.… More

ANALYSIS OF EARTHQUAKE INDUCED SLOPE FAILURES

Award Year / Program / Phase: 1988 / SBIR / Phase I
Agency: NSF
Principal Investigator: Dr ivan s sandler
Award Amount: $49,000.00
Abstract:
Research on cap type soil plasticity models derived from weidlinger associates' extensive experience in constitutive modeling of geological materials is proposed to help answer the urgent need to develop rational methods for the prediction of earthquake induced slope failures. the proposed research… More

OPTICAL DIFFRACTION AND INVERSE SCATTERING FROM FEATURES ON SILICON WAFERS

Award Year / Program / Phase: 1988 / SBIR / Phase I
Agency: NSF
Principal Investigator: Gregory L Wojcik
Award Amount: $50,000.00

OPTICAL DIFFRACTION AND INVERSE SCATTERING FROM FEATURES ON SILICON WAFERS

Award Year / Program / Phase: 1989 / SBIR / Phase II
Agency: NSF
Principal Investigator: Gregory L Wojcik
Award Amount: $233,287.00
Abstract:
The purpose of this research is to develop a capability for: (1) calculating two-dimensional optical diffractions from the edges of dielectric or imperfectly conducting features on layered, silicon-based substrates; and (2) utilizing diffracted two-dimensional fields in an inversion algorithm for… More

SUBMARINE SHOCK LETHALITY STUDIES: AN OBJECTIVE APPROACH FOR LARGE STRAIN CALCULATIONS

Award Year / Program / Phase: 1989 / SBIR / Phase I
Agency / Branch: DOD / DTRA
Principal Investigator: Drs R Atkatsch/i Sandler
Award Amount: $49,971.00
Abstract:
Advanced structural materials used in the fabrication of submarines can sustain large strains during the formation process caused by explosive loadings. the computational solid mechanics community has recentrly recognized serious shortcomings in calculations using material models in this large… More

NONLINEAR SEISMIC ANALYSIS OF REINFORCED CONCRETE BUILDINGS

Award Year / Program / Phase: 1989 / SBIR / Phase I
Agency: NSF
Principal Investigator: Mohammed M Ettouney , Principal Investigator
Award Amount: $48,692.00
Abstract:
The proposed research is concerned with the development of improved methods for the dynamic nonlinear seismic analysis of reinforced concrete (rc) high-rise buildings. the research will concentrate on developing an improved formulation for the material nonlinear response of the various structural… More

THREE DIMENSIONAL FORWARD AND INVERSE SEISMIC MODELING OF COMPLEX OIL RESERVOIRS

Award Year / Program / Phase: 1989 / SBIR / Phase I
Agency: DOE
Principal Investigator: Dr Victor Pereyra , Principal Investigator
Award Amount: $49,997.00

NUMERICAL ALGORITHMS FOR COOPERATIVE IMAGING OF COMPLEX GEOLOGICAL REGIONS

Award Year / Program / Phase: 1989 / SBIR / Phase I
Agency: NSF
Principal Investigator: Victor Pereyra , Principal Investigator
Award Amount: $49,925.00

THREE DIMENSIONAL FORWARD AND INVERSE SEISMIC MODELING OF COMPLEX OIL RESERVOIRS

Award Year / Program / Phase: 1990 / SBIR / Phase II
Agency: DOE
Principal Investigator: Dr Victor Pereyra , Principal Investigator
Award Amount: $498,656.00
Abstract:
The purpose of this research is to develop numerical algorithms and prototype computer programs for detailed stratigraphic and lithological three-dimensional modeling of oil reservoirs by seismic methods. the accurate, high resolution determination of the elastic properties of the reservoir… More

NUMERICAL ALGORITHMS FOR COOPERATIVE IMAGING OF COMPLEX GEOLOGICAL REGIONS

Award Year / Program / Phase: 1990 / SBIR / Phase II
Agency: NSF
Principal Investigator: Victor Pereyra , Principal Investigator
Award Amount: $229,225.00
Abstract:
In order to lessen the effect of ill-conditioning and non-uniqueness that affects the solution of many inverse problems in geophysics, weidlinger associates proposes to explore and develop numerical methods that will take into account multiple inferential sources for imaging a complex geological… More

AN APPLICATION-SPECIFIC COMPUTER FOR LAPLACE'S EQUATION

Award Year / Program / Phase: 1991 / SBIR / Phase I
Agency: NSF
Principal Investigator: Gregory L. Wojcik , Principal
Award Amount: $49,998.00
Abstract:
We propose to design and build an application-specific computer (aspec) to solve an important class of computer aided design (cad) engineering simulation problems at five times the speed and one hundredth the cost of current supercomputers. out intent is to provide o(10(9)) floating point operations… More

DISTRIBUTED COMPUTING APPLICATIONS IN FORWARD AND INVERSE GEOPHYSICAL MODELING

Award Year / Program / Phase: 1991 / SBIR / Phase I
Agency: DOE
Principal Investigator: Dr Victor Pereyra , Principal Investigator
Award Amount: $49,979.00
Abstract:
The purpose of this phase i research is to develop numerical algorithms and prototype distributed computer systems for performing large scale computations in forward and inverse geophysical modeling, with applications in oil and gas exploration, high resolution reservoir delineation, and structural… More

PARALLEL, ASYNCHRONOUS GLOBAL OPTIMIZATION TECHNIQUES FOR MEDIUM AND LARGE INVERSION PROBLEMS

Award Year / Program / Phase: 1992 / SBIR / Phase I
Agency: NSF
Principal Investigator: Victor Pereyra
Award Amount: $49,916.00

ELECTROMECHANICAL FINITE ELEMENT MODELS FOR ULTRASOUND TRANSDUCER ANALYSIS AND DESIGN

Award Year / Program / Phase: 1992 / SBIR / Phase I
Agency: NSF
Principal Investigator: Gregory Wojcik
Award Amount: $49,886.00

Acoustic Radiation and Scattering from Submerged Structures Using Pressure Mode Similarity Surfaces

Award Year / Program / Phase: 1993 / SBIR / Phase I
Agency / Branch: DOD / NAVY
Principal Investigator: Dr. Mohammed Ettouney
Award Amount: $49,963.00
Abstract:
The uncertainty in the magnitude and spatial distribution of concentrated masses internally attached to a shell submerged in an acoustic media is considered. The governing probabilistic equations are derived, and the supporting computer code is developed. The method will result in the statistical… More

HIERARCHICAL AND DISTRIBUTED COMPACTION OF INTEGRATED CIRCUITS (ICS)

Award Year / Program / Phase: 1993 / SBIR / Phase I
Agency: NSF
Principal Investigator: Robrt Suaya
Award Amount: $49,955.00
Abstract:
The work on topological approaches to ic compaction from leaf cells consisting of less than a few thousand transistors to vlsi chips containing millions of transistors is being extended. to be able to cope with three orders of magnitude increase in data complexity, a combination of factors including… More

SEQUENTIAL CONNECTOR: A NEW STRUCTURAL CONNECTION FOR EARTHQUAKE RESISTANT STEEL STRUCTURES

Award Year / Program / Phase: 1993 / SBIR / Phase I
Agency: NSF
Principal Investigator: Paul Weidlinger
Award Amount: $50,000.00
Abstract:
There exist numerous devices that improve the performance or reduce the cost of earthquake resistant structures. these devices, such as dampers, isolators, energy dissipators, and active controls, use materials and technology that are quite new and untried. their long-term endurance, maintenance… More

ELECTROMECHANICAL FINITE ELEMENT MODELS FOR ULTRASOUND TRANSDUCER ANALYSIS AND DESIGN

Award Year / Program / Phase: 1994 / SBIR / Phase II
Agency: NSF
Principal Investigator: Gregory Wojcik
Award Amount: $292,054.00
Abstract:
Ultrasound works by illuminating the body's interior with short, high frequency sound bursts, processing the echoes numerically, and displaying the moving image in real-time ona crt screen. its utility and range of application increasesubstantially each year due to innovative new equipment and… More

PARALLEL, ASYNCHRONOUS GLOBAL OPTIMIZATION TECHNIQUES FOR MEDIUM AND LARGE INVERSION PROBLEMS

Award Year / Program / Phase: 1994 / SBIR / Phase II
Agency: NSF
Principal Investigator: Victor Pereyra
Award Amount: $250,000.00
Abstract:
We have been developing codes for seismic ray tracing and travel time inversion in three-dimensional complex geological media that require supercomputers for practical applications. this inversion procedure, as most others in the literature, suffers from the bumpiness of the response surface and… More

Numerical Modeling of Therapeutic Ultrasound

Award Year / Program / Phase: 1994 / SBIR / Phase I
Agency: HHS
Principal Investigator: Gregory Wojcik
Award Amount: $73,922.00
Abstract:
The objective is to develop, validate, and distribute numerical simulation software forcomprehensive computer modeling of therapeutic ultrasound. The principal application areas are focusedultrasound for noninvasive treatment of cancer and benign prostatic hypertrophy. Emphasis is ontherapy methods… More

Broad Spectrum Numerical Simulators for Bioengineering

Award Year / Program / Phase: 1995 / SBIR / Phase I
Agency: HHS
Principal Investigator: Gregory Wojcik
Award Amount: $99,940.00
Abstract:
This software development project will produce, disseminate, and support an important class of numemodeling resources for NIH-funded, academic bioengineering research groups. The suite consists of 3Ddifference computer modeling codes for ultrasound propagation and scattering, piezoelectric… More

Computer Similation of Integrated Optics for the Analysis and Design of Advanced Devices

Award Year / Program / Phase: 1995 / SBIR / Phase I
Agency: NSF
Principal Investigator: Gregory Wojcik
Award Amount: $64,953.00

Expendable Broadband Projectors for Undersea Warfare

Award Year / Program / Phase: 1999 / SBIR / Phase I
Agency / Branch: DOD / NAVY
Principal Investigator: David Powell
Award Amount: $69,947.00
Abstract:
Not Available Graphitization-resistant isotropic pitch-based carbon fibers are proposed as a replacement for rayon-based carbon fibers in carbon-phenolic composites used in heat shields and exhaust systems of missiles. Fibers spun from isotropic (non-mesophase) petroleum and coal tar pitches have… More

N/A

Award Year / Program / Phase: 2000 / SBIR / Phase I
Agency / Branch: DOD / NAVY
Principal Investigator: Raymond P. Daddazio, Principal
Award Amount: $69,986.00

Wireless Technology for Submarine Communication Systems

Award Year / Program / Phase: 2001 / SBIR / Phase I
Agency / Branch: DOD / NAVY
Principal Investigator: Ivan Sandler, Principal
Award Amount: $69,981.00
Abstract:
Weidlinger Associates, with John J. McMullen Associates and Leitner Lifts USA, will develop a high volume underway replenishment system. Several innovative circulating ropeway approaches will be investigatedWeidlinger is responsible for the overall management of the SBIR effort and provides… More

Advanced Fluid Modeling Capability for Underwater Shock Analysis of Naval Platforms

Award Year / Program / Phase: 2001 / STTR / Phase I
Agency / Branch: DOD / NAVY
Research Institution: FLORIDA STATE UNIV.
Principal Investigator: Ivan Sandler, Principal
Award Amount: $69,914.00
RI Contact: Raymond E. Bye, Jr
Abstract:
The practical ability to do realistic underwater shock simulations in three (and often even two) dimensions is beyond the reach of existing software and hardware. The thrust of the work proposed here is to utilize current advanced capabilities to attacksuch problems by innovatively combining a… More

Simulating Data for the Development of Decision-Making Systems

Award Year / Program / Phase: 2001 / SBIR / Phase I
Agency / Branch: DOD / NAVY
Principal Investigator: Raymond Daddazio, Principal
Award Amount: $69,937.00
Abstract:
United States Navy military shipboard equipment designers have utilized of military rated components in their designs together with the application of military specifications to ensure survivability during conflict. These designs were subject to longdevelopment cycles and unique point designs with… More

Enhanced Resistance to Mine Detonation

Award Year / Program / Phase: 2002 / SBIR / Phase II
Agency / Branch: DOD / NAVY
Principal Investigator: Raymond P. Daddazio, Principal
Award Amount: $749,280.00
Abstract:
The objective of this proposed research is to demonstrate thatbubble screens of the type produced by ship maskers may enhanceresistance to mine detonation. Ship masker systems are acousticcountermeasures that utilize air bubbles to mask potentialtargets. Masker systems work by reducing radiated… More

Advanced Fluid Modeling Capability for Underwater Shock Analysis of Naval Ships

Award Year / Program / Phase: 2002 / STTR / Phase II
Agency / Branch: DOD / NAVY
Research Institution: Florida State University
Principal Investigator: Ivan Sandler, Principal
Award Amount: $400,000.00
RI Contact: Mark Sussman
Abstract:
An existing 3D Eulerian code for computing incompressible flows will be enhanced to enable underwater explosion simulations, focusing especially on free-field bulk cavitation, bubble growth and collapse, and bubble jetting. The emphasis will be onimproving the accuracy and efficiency of the code's… More

A toolbox for optimal design

Award Year / Program / Phase: 2002 / SBIR / Phase I
Agency: NSF
Principal Investigator: Victor Pereyra
Award Amount: $99,407.00
Abstract:
This Small Business Innovation Research (SBIR) Phase I project will develop a prototype of an integrated set of software tools for computer aided optimal design. This tool box will require interfacing with large scale proprietary codes for the simulation of physical phenomena. The industry… More

Transient Shock Resistance of COTS Electronics

Award Year / Program / Phase: 2003 / SBIR / Phase II
Agency / Branch: DOD / NAVY
Principal Investigator: Raymond Daddazio, Principal
Award Amount: $599,883.00
Abstract:
United States Navy military shipboard equipment designers have utilized military rated components in their designs together with the application of military specifications to ensure survivability during conflict. These deisgns were subject to longdevelopment cycles and unique point designs with the… More

SBIR Phase II: A Toolbox for Optimal Design

Award Year / Program / Phase: 2004 / SBIR / Phase II
Agency: NSF
Principal Investigator: Victor Pereyra, PI
Award Amount: $503,655.00
Abstract:
This Small Business Innovation Research (SBIR) Phase II project combines large-scale simulation of wave propagation phenomena with optimization. Simulation in itself is seldom a final objective. Rather, simulation is usually a step in an iterative process to solve the real problem, that could be… More

Low Cost Non-Explosive Shock Qualification Testing

Award Year / Program / Phase: 2004 / SBIR / Phase I
Agency / Branch: DOD / NAVY
Principal Investigator: Raymond P. Daddazio, Principal
Award Amount: $99,941.00
Abstract:
The non-explosive shock testing of naval vessels and shipboard equipment project rapidly integrates a COTS technology currently used in commercial oil exploration, tailors the technology to meet Navy's LFT&E technical and environmental challenges, and provides the resulting package to the US Navy. … More

Low Cost Non-Explosive Shock Qualification Testing

Award Year / Program / Phase: 2005 / SBIR / Phase II
Agency / Branch: DOD / NAVY
Principal Investigator: Raymond P. Daddazio, Principal
Award Amount: $995,363.00
Abstract:
The non-explosive shock testing of naval vessels and shipboard equipment project rapidly integrates a COTS technology currently used in commercial oil exploration, tailors the technology to meet Navy's LFT&E technical and environmental challenges, and provides the resulting package to the US Navy.… More

Development of Multi-Hit Nonlinear Progressive Collapse Models for Fixed Targets

Award Year / Program / Phase: 2005 / SBIR / Phase I
Agency / Branch: DOD / USAF
Principal Investigator: David Vaughan, Principal
Award Amount: $100,000.00
Abstract:
Weidlinger Associates Inc. (WAI) proposes to develop a High Fidelity Physics Based (HFPB) Fast Running Model (FRM) to assess the potential for Progressive Collapse (PC) of aboveground fixed structures as a result of targeting by air-to-ground munitions. Both single and multi-hit targeting scenarios… More

Modeling and Prediction of Ground Shock Induced by Penetrating Weapons in Spatially Random Geologic Media

Award Year / Program / Phase: 2005 / SBIR / Phase I
Agency / Branch: DOD / DTRA
Principal Investigator: felix wong, principal
Award Amount: $99,976.00
Abstract:
We propose a stochastic-finite-element based methodology to address these requirements: (i) Characterize material variability; (ii) Quantify corresponding ground-shock variability; and (iii) Design instrumentation plan. The site is discretized into N finite-elements; rock properties over this domain… More

The Initialization Problem and Other Techniques for Robust Optimization

Award Year / Program / Phase: 2005 / SBIR / Phase I
Agency / Branch: DOD / USAF
Principal Investigator: Victor Pereyra, Principal
Award Amount: $99,873.00
Abstract:
General optimization problems are hard to solve. Problems with expensive to evaluate goal functionals and constraints, large dimensional parameter spaces, non-convex (multi-modal), and ill-conditioned, are prevalent in many industrial applications and they are specially hard to solve in a robust,… More

Development of Multi-Hit Nonlinear Progressive Collapse Models for Fixed Targets

Award Year / Program / Phase: 2006 / SBIR / Phase II
Agency / Branch: DOD / USAF
Principal Investigator: David Vaughan, Principal
Award Amount: $749,996.00
Abstract:
Weidlinger Associates, Inc. (WAI) proposes to develop a High Fidelity Physics Based (HFPB) Fast Running Model (FRM) to assess the potential for Progressive Collapse (PC) of aboveground fixed structures as a result of targeting by air-to-ground munitions. Both single and multi-hit targeting… More

Modeling Software and Tools for Reliability Engineering of Micro/Nano-Device Systems and Components

Award Year / Program / Phase: 2006 / STTR / Phase I
Agency / Branch: DOD / ARMY
Research Institution: CORNELL UNIV.
Principal Investigator: Roland Krause
Award Amount: $99,866.00
RI Contact: Anthony R. Ingraffea
Abstract:
Weidlinger Associates Inc and Cornell University propose to create a Computational Environment for Simulation of Micro/Nano-Devices (NanoSE). We will develop a fully integrated software tool that will enable army researchers and design engineers to simulate the behavior of devices, such as… More

Next Generation Blast Protection Technologies and Combined Blast and CBRN Protection Technologies

Award Year / Program / Phase: 2006 / SBIR / Phase I
Agency / Branch: DOD / DTRA
Principal Investigator: Darren Tennant, Associate Principal
Award Amount: $99,993.00
Abstract:
Various procedures have been proposed for evaluation/mitigation of the potential for progressive collapse in the design and/or retrofit process. These range from passive procedures that evaluate the redundancy of structures to limit failure through redistribution of gravitation loads after key… More

Piezoelectric Single Crystal Stacks for Improved Fuel Injector Performance

Award Year / Program / Phase: 2007 / SBIR / Phase I
Agency / Branch: DOD / NAVY
Principal Investigator: Paul Reynolds, Associate
Award Amount: $69,980.00
Abstract:
Engine performance and fuel consumption in the Navy's surface ships, submersibles, and aircraft are a significant concern from both an operations and logistics viewpoint. Higher fuel efficiency leads to longer times between resupply or lower operating costs, while increased performance is always… More

New Methods for Progressive Collapse Testing and Simulation

Award Year / Program / Phase: 2007 / SBIR / Phase II
Agency / Branch: DOD / DTRA
Principal Investigator: David Vaughan, Principal
Award Amount: $750,000.00
Abstract:
The potential for progressive collapse of buildings damaged by terrorist blasts represents a significant risk to building occupants. There is a need for software tools that assess the potential for progressive collapse of above ground structures. These tools should run quickly and accurately… More

Novel Methods to Measure Penetrator Dynamics in Multi-Layer Geometries

Award Year / Program / Phase: 2007 / SBIR / Phase I
Agency / Branch: DOD / DTRA
Principal Investigator: David Vaughan, Principal
Award Amount: $99,956.00
Abstract:
This proposal describes an approach to meeting DTRA's goals of improving sensor technology for penetrating weapons. Weidlinger Associates Inc. (WAI) has significant experience in the design and use of ultrasound technologies for a broad range of end-use applications. WAI is also familiar with the… More

Engineering Models for Damage to Structural Components Subjected to Internal Blast Loading

Award Year / Program / Phase: 2008 / SBIR / Phase I
Agency / Branch: DOD / DTRA
Principal Investigator: Darren Tennant, Principal
Award Amount: $99,999.00
Abstract:
Predicting the response of building components to internal detonations is more complex than the corresponding task for external loads because of the more complex loading waveforms which include multiple reflections in the shock phase followed by a long duration pseudostatic loading that depends upon… More

Metamaterials for Acoustic Cloaking

Award Year / Program / Phase: 2008 / SBIR / Phase I
Agency / Branch: DOD / NAVY
Principal Investigator: Jeffrey L. Cipolla, Associate
Award Amount: $69,995.00
Abstract:
New metamaterials promise to improve radically the ability of structures to evade sonar detection. The physics of these "acoustic mapped metamaterials" (AMM) is novel: by careful design of their elastic properties, a coating made of AMM materials guides waves around and away from a "cloaked"… More

Novel Methods to Measure Penetrator Dynamics in Multi-Layer Geometries

Award Year / Program / Phase: 2008 / SBIR / Phase II
Agency / Branch: DOD / DTRA
Principal Investigator: David Vaughan, Principal
Award Amount: $750,000.00
Abstract:
OBJECTIVE: DTRA requires the capability to understand the dynamics of a projectile as it penetrates through multi-layers of various materials to understand the effects of terradynamics and the overall vector velocity of the projectile. DESCRIPTION: Measurement techniques that can be used within… More

User Toolkit for Reducing Cost and Time in the Design of SONAR Systems Using Relaxor Piezoelectric Single Crystals

Award Year / Program / Phase: 2008 / SBIR / Phase I
Agency / Branch: DOD / NAVY
Principal Investigator: Paul Reynolds, Associate
Award Amount: $69,999.00
Abstract:
WAI will develop a suite of User Toolkits for SONAR Transducer Design, to enable rapid and accurate evaluation of new design concepts, allowing quick selection of appropriate candidate designs for further evaluation. This will reduce overall design costs and time from concept to market. The Toolkits… More

Piezoelectric Single Crystal for Improved Fuel Injector Application

Award Year / Program / Phase: 2008 / SBIR / Phase II
Agency / Branch: DOD / NAVY
Principal Investigator: Paul Reynolds, Principal Investigator
Award Amount: $450,000.00
Abstract:
Weidlinger Associates Inc (WAI) will develop a new generation of fuel injectors incorporating single crystal piezoelectric actuators for use in Pulse Detonation Engines (PDE). PDEs offer the potential of fuel efficient high thrust engines for Naval use, yet have specific roadblocks to development… More

Non-Spherical Blast in a Cluttered Environment

Award Year / Program / Phase: 2009 / SBIR / Phase I
Agency / Branch: DOD / USAF
Principal Investigator: Jeffrey Cipolla, Principal Investigator
Award Amount: $99,999.00
Abstract:
Physics-based computational solutions facilitate the understanding of the behavior of structures subjected to high-explosives. However, design and parameter studies remain costly, because computational fluid mechanics models of blast waves may require supercomputers. On the other hand, extremely… More

Exact modeling of targets in littoral environments

Award Year / Program / Phase: 2009 / STTR / Phase I
Agency / Branch: DOD / NAVY
Research Institution: Woods Hole Oceanographic Instit
Principal Investigator: Paul Reynolds, Principal Investigator
Award Amount: $69,996.00
RI Contact: Claire L. Reid
Abstract:
Weidlinger Associates Inc (WAI) proposes to develop a state-of-the-art modeling capability for long range wave propagation in littoral environments, including detailed analyses of sea floor, marine mammals, and man made objects, by integrating a suite of computational methods. Through use of the… More

Engineering Models for Damage to Structural Components Subjected to Internal Blast Loading

Award Year / Program / Phase: 2009 / SBIR / Phase II
Agency / Branch: DOD / DTRA
Principal Investigator: Darren Tennant, Principal
Award Amount: $749,999.00
Abstract:
Develop algorithms for fast-running engineering models relating damage levels of structural members to the blast environment resulting from detonation of high explosives inside a building. Validate models utilizing existing test data and synthetic data generated by high fidelity computational… More

High Fidelity Modeling of Building Collapse with Realistic Visualization of Resulting Damage and Debris

Award Year / Program / Phase: 2009 / SBIR / Phase I
Agency / Branch: DOD / DTRA
Principal Investigator: David Vaughan, Principal
Award Amount: $99,996.00
Abstract:
Develop a validated high fidelity physics based computational method to evaluate building performance and collapse under blast loading with the capability to show the resulting damage and debris fly-out in a realistic fashion. Key requirements for the developed method are: 1) sufficient fidelity to… More

Novel Accelerator Architectures for Critical DoD Application

Award Year / Program / Phase: 2009 / SBIR / Phase I
Agency / Branch: DOD / DARPA
Principal Investigator: Najib Abboud, Principal
Award Amount: $98,996.00
Abstract:
Large scale shock physics simulations comprise a critical element of the analysis of the survivability of ships and submarines in response to underwater explosions, subsurface bunker vulnerability to ground shock, and response of buildings and vehicles to airborne explosions. Explicit time-domain… More

Weapons Effects FRMs for Reinforced Concrete Walls & Floor/Ceiling Slabs

Award Year / Program / Phase: 2009 / SBIR / Phase I
Agency / Branch: DOD / USAF
Principal Investigator: David Vaughan, Sr. Research Scientist
Award Amount: $99,999.00
Abstract:
The Air Force Research Laboratory developed the MEVA software for weaponeering applications. MEVA allows a weaponeer to quickly study alternative targeting scenarios to maximize the effectiveness of a mission while minimizing the risk to the warfighter and the potential for collateral damage. MEVA… More

Fracture Evaluation and Design Tool for Welded Aluminum Ship Structures Subjected to Impulsive Dynamic Loading

Award Year / Program / Phase: 2010 / STTR / Phase I
Agency / Branch: DOD / NAVY
Research Institution: Harvard University
Principal Investigator: Pawel Woelke, Principal Investigator
Award Amount: $69,984.00
RI Contact: Eric Asetta
Abstract:
Aluminum as a structural material for naval applications has a number of advantages over steel, owing mainly to significant weight reductions which translate to higher speed and range attainable by aluminum vessels. A comprehensive study of research needs for aluminum structures conducted under the… More

Simplified GUI Toolkits for High Fidelity Simulations of Therapeutic Ultrasound A

Award Year / Program / Phase: 2010 / SBIR / Phase I
Agency: HHS
Principal Investigator: Paul Reynolds
Award Amount: $99,999.00
Abstract:
DESCRIPTION (provided by applicant): Weidlinger Associates Inc (WAI) proposes to develop a simple yet powerful suite of Graphical User Interface (GUI) based simulation tools for simulation studies of High Intensity Focused Ultrasound (HIFU) transducers and systems. HIFU is a rapidly growing field… More

Recovery Act - Hybrid Building Integrated Solar Energy System for Photovoltaic, Thermoelectric, and Heat Utilization

Award Year / Program / Phase: 2010 / STTR / Phase I
Agency: DOE
Research Institution: Columbia University
Principal Investigator: Huiming Yin, Dr.
Award Amount: $149,041.00
RI Contact: Linette Sandoval
Abstract:
Conventional photovoltaic technologies have been able to achieve limited market penetration due to high first costs and reductions in efficiency caused by the high operating temperatures at which the panels are typically employed. Traditional solar panels are also configured as mounted equipment,… More

Weapons Effects FRMs for Reinforced Concrete Walls&Floor/Ceiling Slabs

Award Year / Program / Phase: 2010 / SBIR / Phase II
Agency: DOD
Principal Investigator: David Vaughan, Principal – (650) 230-0331
Award Amount: $749,998.00
Abstract:
The effort proposed in this Phase II SBIR will develop improved fast running blast response and progressive collapse models for reinforced concrete walls and slabs used in civil construction. These models will be developed and integrated within the MEVA (Modular Effectiveness Vulnerability… More

High Fidelity Modeling of Building Collapse with Realistic Visualization of Resulting Damage and Debris

Award Year / Program / Phase: 2010 / SBIR / Phase II
Agency: DOD
Principal Investigator: David K. Vaughan, Principal Investigator – (650) 230-0331
Award Amount: $749,532.00
Abstract:
OBJECTIVE: Develop a validated high fidelity physics based computational method to evaluate building performance and collapse under blast loading with the capability to show the resulting damage and debris fly-out in a realistic fashion. Key requirements for the developed method are: 1) sufficient… More

Metamaterials for Acoustic Cloaking

Award Year / Program / Phase: 2010 / SBIR / Phase II
Agency: DOD
Principal Investigator: Jeffrey Cipolla, Principal Investigator – (212) 367-3076
Award Amount: $744,719.00
Abstract:
Weidlinger Associates Inc. proposes to continue the development of metamaterial-based acoustic cloaks based on its computational simulation technology developed in Phase I, and proposes to formulate and manufacture prototype cloak materials and demonstrate their effectiveness through an in-water… More

Modeling and Simulation of Hybrid Materials/Structures for Sustainment Applications

Award Year / Program / Phase: 2011 / SBIR / Phase I
Agency: DOD
Principal Investigator: Najib Abboud, Principal – (212) 367-3074
Award Amount: $99,971.00
Abstract:
In Phase I, we propose to develop, assess and demonstrate the feasibility of a finite element-based computational simulation of multi-constituent material FMLs, appropriate for capturing delamination and crack interaction. Two separate approaches will be investigated: one based on individual… More

Fire Simulation and Residual Strength Prediction Tool for Aluminum Ship Structures During and After Fire: System Integration

Award Year / Program / Phase: 2011 / SBIR / Phase I
Agency: DOD
Principal Investigator: Najib Abboud, Principal – (212) 367-3074
Award Amount: $70,000.00
Abstract:
In this proposal, we will develop and implement general thermal coupling schemes so that thermomechanical structural solvers, specialized fire-dynamics CFD codes and other thermal simulators may be employed in the solution of practical fire mechanics problems of interest to the Navy. This… More

Fire Simulation and Residual Strength Prediction Tool for Aluminum Ship Structures During and After Fire: Constitutive Models and Residual Strength Mo

Award Year / Program / Phase: 2011 / SBIR / Phase I
Agency: DOD
Principal Investigator: Najib Abboud, Principal – (212) 367-3074
Award Amount: $99,900.00
Abstract:
The proposed work concentrates on the development of a Constitutive Models and Residual Strength finite element simulation module that would be one module in an overall coupled framework, with other modules resolving the fire dynamics (growth and spread), the heat transfer across materials,… More

Piezoelectric Single Crystal Property Assessment for Cost-Effective Optimized Naval SONAR Transducers

Award Year / Program / Phase: 2011 / SBIR / Phase I
Agency: DOD
Principal Investigator: Paul Reynolds, Principal Investigator – (650) 230-0343
Award Amount: $80,000.00
Abstract:
Single crystal piezoelectric materials offer significant potential benefits to Navy SONAR transducers including higher power, greater bandwidth and greater efficiency. New compositions now offer improved characteristics even under higher temperature and other normally detrimental operating… More

Fracture Evaluation and Design Tool for Welded Aluminum Ship Structures Subjected to Impulsive Dynamic Loading

Award Year / Program / Phase: 2012 / STTR / Phase II
Agency / Branch: DOD / NAVY
Research Institution: University of South Carolina
Principal Investigator: Pawel Woelke, Principal Investigator – (212) 367-3000
Award Amount: $586,000.00
RI Contact: Steven Etheredge
Abstract:
Aluminum as a structural material for naval applications has a number of advantages over steel, owing mainly to significant weight reductions which translate to higher speed and range attainable by aluminum vessels. A comprehensive study of research needs for aluminum structures identified the key… More

High Frequency Elastic Analysis Tool

Award Year / Program / Phase: 2012 / SBIR / Phase I
Agency: DOD
Principal Investigator: Jeffrey Cipolla, Associate Principal – (212) 367-3076
Award Amount: $150,000.00
Abstract:
In order to analyze, design and optimize submarine and UUV coatings, sonar decouplers and windows, the Navy requires an analytical approach which is fast, accurate, and has high physical fidelity at all frequencies of interest. Such an analytical methodology exits for wave propagation in coated,… More

Increased Capability and Interface for Computational Code for Implosion: Parameters, Procedures, Constitutive Model Calibration&Modeling GUI

Award Year / Program / Phase: 2012 / SBIR / Phase I
Agency / Branch: DOD / NAVY
Principal Investigator: Najib Abboud, Principal&CTO – (212) 367-3074
Award Amount: $149,818.00
Abstract:
The new physics-based computational code under development through the ONR Future Naval Capabilities (FNC) program represents the state-of-the-art in coupled fluid-structure finite element calculation for fluid-structure coupled analyses such as those encountered in implosion applications.… More

Fire Simulation and Residual Strength Prediction Tool for Aluminum Ship Structures During and After Fire: Constitutive Models and Residual Strength Mo

Award Year / Program / Phase: 2012 / SBIR / Phase II
Agency / Branch: DOD / NAVY
Principal Investigator: Najib Abboud, Principal&CTO – (212) 367-3074
Award Amount: $743,007.00
Abstract:
A constitutive and structural FEM module for simulation of the structural response of Aluminum ships to fire effects and assessment of their residual strength is proposed. This module is intended as part of a larger multiphysics fire simulation platform to address the Navy's need for aluminum… More

Piezoelectric Single Crystal Property Assessment for Cost-Effective Optimized Naval SONAR Transducers

Award Year / Program / Phase: 2012 / SBIR / Phase II
Agency: DOD
Principal Investigator: Robert Banks, Senior Associate – (650) 230-0210
Award Amount: $497,202.00
Abstract:
Piezoelectric single crystal material offers significant advantages for Naval SONAR transducer such as reduced size, increased efficiency, greater sensitivity, and larger bandwidth. Adoption of these newer materials, however, is limited due to the lack of detailed knowledge of performance… More

Increased Capability and Interface for Computational Code for Implosion: Parameters, Procedures, Constitutive Model Calibration&Modeling GUI

Award Year / Program / Phase: 2013 / SBIR / Phase II
Agency: DOD
Principal Investigator: Najib Abboud, Principal – (212) 367-3074
Award Amount: $750,000.00
Abstract:
In Phase I, WAI performed an assessment of the critical deficiencies in the Aero-F/DYNA3D suite of physics-based computational analysis tools for implosion applications. This assessment resulted in the identification of three specific areas for improvement: 1. Material constitutive modeling and… More

Interlaminar Mode I and Mode II Fracture Toughnesses in Ceramic Matrix Composites (CMCs)

Award Year / Program / Phase: 2013 / STTR / Phase I
Agency / Branch: DOD / NAVY
Research Institution: Southern Research Institute
Principal Investigator: Marcus Rutner, Sr Research Engineer – (212) 367-2951
Award Amount: $79,950.00
RI Contact: Terry Barnett
Abstract:
Susceptibility to delamination is one of the major weaknesses of ceramic matrix composites (CMCs). Knowledge of the resistance of composite to interlaminar fracture is essential for life cycle prediction analyses of structural components. The current test method for Mode I-interlaminar fracture… More