Molecular modeling and simulation of various desalination mechanisms at molecular scales. We have used meshfree methods to simulate large scale ductile failure in steel structures, and we have applied peridynamics method to simulate soil fragmentation, fracture in metals, ceramics, concrete structures, and in ice sheets. We have developed a nonlocal fluid dynamic - Updated Lagrangian Particle Hydrodynamics (ULPH) to model and simulate fluid flows from cough-jets to multiphase flow to fluid-structure interaction problems.Ĩ. Nonlocal fluid dynamics and Peridynamics: We have applied meshfree particle methods and peridynamics method to simulate material and structure failure at multiscale. We extended this theory to amorphous materials and use it to model and simulate plasticity in amorphous materials.ħ. Con-current multiscale molecular dynamics: We have been developing a con-current multiscale molecular dynamics to simulate phase transformation of crystalline solids at nanoscale. We have been developing an atomistic-informed dislocation pattern theory and its computational formulations to model crystal plasticity.Ħ. Developing Machine-learning based Multiscale crystal defect dynamics (MCDD): We have proposed a novel concept of geometrically compatible dislocation pattern and apply it to study nanoscale plasticity. Developing computational methods for modeling and simulation of transmission and parthenogenesis process of infectious disease.ĥ. Developing AI-based methods for structure design, such as ship hull structure design and sustainability-based reliability design.Ĥ. Developing AI-based methods or statistic machine learning methods for 3D printing thermal compensation and inverse forensic analysis of car collision, and other engineering applications.ģ. Developing physics-based phase-field modeling and simulation of fractures.Ģ.
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