Efficient High-Fidelity Modeling of High Strain Thin-Ply Composites

AnalySwift will collaborate with NASA researchers and Prof. Wenbin Yu of Purdue University to establish a new framework for efficient high-fidelity modeling for high strain thin-ply composites (HS-TPCs). Propose innovations include using mechanics of structure genome (MSG) for multiscale constitutive modeling of HS-TPCs, a thermodynamically consistent constitutive model for HS-TPCs exhibiting thermomechanical, viscoelastic, and viscoplastic behavior, and MSG beam/plate/shell models for the efficient high-fidelity modeling of HT-TPC structures. Four tasks will be carried out: (1) demonstrate the advantages of MSG-based modeling framework, (2) develop a thermodynamically consistent constitutive model, (3) develop a MSG thermo-viscoelastic-viscoplastic beam model, (4) develop a MSG thermos-viscoelastic-viscoplastic shell model. The proposed research will address unique modeling challenges (structures coupled with materials, temperature- and time-dependent behavior, geometry nonlinearity at both the material scale and the structural scale) of HS-TPCs in addition to those challenges (anisotropy, heterogeneity, multiscale) associated with traditional composites. The success of this work will significantly advance the design and analysis of HS-TPC structures with a new framework for the efficient high-fidelity modeling of mechanical behavior important for these structures. The proposed new modeling capabilities will also be implemented in SwiftCompTM, a general-purpose multiscale constitutive modeling, to maximize the technology transfer.

Deployable composite booms, foldable panels, hinges, reflectors; lightweight structures for satellite buses, landers, rovers, solar arrays, and antennas. Pressurized structures such as deep-space habitation/tanks and lightweight structural components for space exploration systems. Highly flexible wings for future aircraft and highly fatigue and damage tolerant structures for revolutionary vertical lift aircraft.

Commercial aerospace, defense, auto, marine, energy, recreation: Lightweight/pressurized structures, booms, highly flexible wings, vertical lift structures, fishing rods, golf clubs, skis, industrial tubes, etc. Cost/time reductions and validated tools for industry realization of HS-TPCs Better engineering of broader composite lightweight structures

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