Global Engineering and Materials, Inc. (GEM) is a high-tech firm that provides innovative research and development, consulting services, and software solutions to the National Defense, commercial industries, and government and university research laboratories. Global Engineering and Materials, Inc. develops cutting-edge technologies and solutions for the R&D community and commercial markets through the DOD and commercial industry sponsored programs.
The broad spectrum of our R&D and engineering services includes progressive fatigue and fracture assessment of advanced metallic and composite structures, advanced mesh generation for as-built complex structures with fabrication- and service-induced defects, fluid-structure interaction for advanced materials and full-scale structures, and multi-physics simulation of the fabrication and repair process.
The broad spectrum of our R&D and engineering services includes progressive fatigue and fracture assessment of advanced metallic and composite structures, advanced mesh generation for as-built complex structures with fabrication- and service-induced defects, fluid-structure interaction for advanced materials and full-scale structures, and multi-physics simulation of the fabrication and repair process.
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We are a high-tech firm that provides consulting services, and software solutions to the National Defense. Jim Lua, President of GEM, received his Ph. D. in Applied Mechanics from Columbia University in 1989, M.S. in Mechanics and Material Sciences from Rutgers University in 1986, and B.S. in Structural Engineering from Tongji University in 1983.
We are a high-tech firm that provides consulting services, and software solutions to the National Defense. Global Engineering and Materials, Inc. (GEM) is a high-tech firm that provides innovative research and development, consulting services, and software solutions to the National Defense, commercial industries, and government and university research laboratories.
Global Engineering and Materials, Inc. (GEM) brings technology, innovation, and simulation together to solve challenging problems faced by our DoD customers and commercial industries.
Our extensive engineering expertise and unique capability include modeling advanced manufacturing processes, defects initiation and propagation, fatigue and fracture, and full-scale structural response prediction with as-built configuration and service-induced defects.
Our extensive engineering expertise and unique capability include modeling advanced manufacturing processes, defects initiation and propagation, fatigue and fracture, and full-scale structural response prediction with as-built configuration and service-induced defects.
When the resin flows in the fabric, it will first flow into the porosity between the tows (inter-tow porosity). After that, the resin can slowly penetrate into the tows through the porosity between individual fibers inside a tow (intra-tow porosity). We introduced a mass sink term in Navier-Stokes equation to capture the absorption of resin into the tows.
Global Engineering and Materials, Inc. (GEM) is developing a comprehensive suite of customized toolkits for Abaqus to perform fracture and fatigue simulation of metallic and composite structures.
A composite bolted and bonded analysis toolkit for Abaqus (CB2ATA) toolkit and a three-dimensional extended finite element analysis toolkit for Abaqus (XFA3D) are developed for the damage initiation and failure progression analysis of composite and metallic structures, respectively.
A composite bolted and bonded analysis toolkit for Abaqus (CB2ATA) toolkit and a three-dimensional extended finite element analysis toolkit for Abaqus (XFA3D) are developed for the damage initiation and failure progression analysis of composite and metallic structures, respectively.
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