Multi-Fidelity Multi-Disciplinary Simulation-Driven Digital Design
Abstract
Naval ship design (Kassel et al., 2010) requires complex multi-disciplinary interactions between competing system requirements, whic,h is reconciled using a ship synthesis process. Traditionally this process has followed a linear point-based design spiral approach, implemented using design tools such as ASSET. More recently, multiple-point set-based design approaches (e.g., Brown et al., 2017), are being followed, which allows for flexibility and larger design space exploration, including the use of multi-disciplinary desig,n optimization (MDO) methods based on a rigorous mathematical foundation, in order to find a set of possible solutions and achieve t,he "best" possible final design. Towards this goal the CREATE Ships is developing database tools, such as LEAPS, that can store alte,rnative design information and aid in implementing simulation-based design approaches. However, this framework still relies on an o,verall build and test design mentality, whether it be based on single or multi-point approaches. In addition, it is still both restr,ictive as to design space explored and overly time consuming and expensive, all of which hampers decision making in the time frame o,f reference for innovative 21st century Naval ship designs. To overcome these issues, a digital design process is needed to support,the development of Naval ship requirements, evaluation of concept design proposals and ultimately certification of as built ships.Th,e overall objective of this project is the development and demonstration of the multi-fidelity multi-disciplinary simulation-driven,digital design process for a new high-speed small craft hull form, propulsor and structure, which meets the specified design require,ments. Thus, the outcome/deliverable is not only the design but additionally the multi-fidelity multi-disciplinary simulation-driven, digital design process. Achieving this overall objective includes supporting objectives for the essential digital design process f,ocus elements: (1) design requirements; (2) advanced concepts; (3) big & sparse data; (4) machine learning and artificial intelligen,ce; (5) optimization & MDO; (6) design assessment; and (7) virtual performance trials. The proposed research is made possible by th,e beyond-expectation achievements of the precursory research conducted under Grant Award "High-Fidelity Multi-Phase Sharp-Interface,Code Development and V&V for High Fr Small Craft FSI and MDO."The research is based on collaboration between the UI-IIHR/CNR-INM and, the NSWCCD, which builds on their long standing previously successful research on rigid body, fluid-structure interaction (FSI) and, MDO for high speed semi- and planing hulls. Additional collaboration on advanced concepts involves the University of Maryland, Vir,ginia Technical University, and Texas A&M University, including both experimental and computational elements via appropriate teaming, arrangements.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- May 16, 2022
- Source ID
- N000142212413
Entities
People
- Frederick Stern
Organizations
- Office of Naval Research
- United States Navy
- University of Iowa