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An Unstructured Mesh Adaptation Algorithm for Ship Interaction Simulations

Award Information

Department of Commerce
Award ID:
Program Year/Program:
2002 / SBIR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
Oceanit Laboratories, Inc.
Oceanit Center 828 Fort Street Mall, Suite 600 Honolulu, HI -
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Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 1
Fiscal Year: 2002
Title: An Unstructured Mesh Adaptation Algorithm for Ship Interaction Simulations
Agency: DOC
Contract: DG1330-02-CN-0027
Award Amount: $50,000.00


The dynamics of ships interacting with other ships and with harbor structures and boundaries is a difficult computational fluid dynamics (CFD) problem for several reasons: geometric complexity, modeling of the free surface, and large Reynolds numbers involved. The proposed research will employ several approaches and techniques to simplify the problem to a manageable level while maintaining modeling fidelity. Among these are to initially use a potential flow approximation (i.e., neglect the effects of viscosity), linearize the free surface and develop an unstructured deforming adaptive mesh algorithm for relative ship motion. Of these, the three- dimensional deforming mesh will be the greatest challenge, and Phase I will concentrate on developing this method and demonstrating the feasibility of using this method to accurately model multiple vessels in a harbor environment. Successful development will pave the way for a time-varying, unsteady, 3-D flow solver employing the mesh algorithm.

Principal Investigator:

Ken Cheung
Senior Research Engineer

Business Contact:

Patrick K. Sullivan
Small Business Information at Submission:

Oceanit Laboratories, Inc.
1001 Bishop Street Pacific Tower, Suite 2970 Honolulu, HI 96813

EIN/Tax ID: 990238128
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No