Multi Scale Solid Mechanics Models of Additive Manufacturing
Abstract not provided.
Publications
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Jump to search filtersProcessing of Fe-Co Soft Ferromagnetic Alloys using Laser Engineered Net Shaping (LENS)
Abstract not provided.
The 3rd Sandia Fracture Challenge ? Team R Approach
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Alpert Wavelets for Data Analysis: Compression and Optimization
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Predicting Residual Stress and Microstructural Equiaxed-to-Columnar Grain Transition in 304L Stainless Steel LENS Parts
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Incorporating Texture Models in Monte Carlo Simulations of Solidification
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Characterization of Fe-Co soft ferromagnetic alloys processed by laser engineered net shaping (LENS)
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A Bubble-Scale Continuum Approach to Foam Expansion and Bubble Pressurization
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Modeling Microstructure Evolution During Metal Additive Manufacturing
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Modeling Microstructure Evolution and the Effects of Texture on Mechanical Properties in Additively Manufactured Metals
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Modeling the Effect of Inter-layer Time on the 3D Microstructure and Residual Stress in LENS Parts
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Consideration of Fluid Physics on the Residual Stress of a Single Track of Material
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Overview of Additive Manufacturing at SNL NM
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High Performance Computing and Data Science Applications in Additive Manufacturing
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Synthetic Microstructures for Additive Manufacturing: Generation Quantification & Partnering Efforts
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Uncertainty Quantification for Additive Manufacturing Applications across scales
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Part-Scale Thermal and Structural Modeling of the Additive Manufacturing Process
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Modeling Microstructure Evolution During Metal Additive Manufacturing
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Thermal and Structural Part-Scale Modeling of the Metal Additive Manufacturing Process
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Incorporating Complex Thermal Histories in Grain Microstructure Simulations of Additively Manufactured 304L SS
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Polyurethane Foam Expansion Polymerization and Bubble Pressurization
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Modeling Manufacturing Impacts on Aging and Reliability of Polyurethane Foams
Polyurethane is a complex multiphase material that evolves from a viscous liquid to a system of percolating bubbles, which are created via a CO2 generating reaction. The continuous phase polymerizes to a solid during the foaming process generating heat. Foams introduced into a mold increase their volume up to tenfold, and the dynamics of the expansion process may lead to voids and will produce gradients in density and degree of polymerization. These inhomogeneities can lead to structural stability issues upon aging. For instance, structural components in weapon systems have been shown to change shape as they age depending on their molding history, which can threaten critical tolerances. The purpose of this project is to develop a Cradle-to-Grave multiphysics model, which allows us to predict the material properties of foam from its birth through aging in the stockpile, where its dimensional stability is important.
Thermal and Structural Modeling of Laser Engineered Net Shape (LENS) Additive Manufacturing (AM)
Abstract not provided.
Simulating the mechanical response of synthetic AM microstructures generated with Kinetic Monte Carlo techniques
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INCLUDING BUBBLE-SCALE INFORMATION IN CONTINUUM FOAM EXPANSION AND AGING MODELS
Abstract not provided.
Depressurization and Warpage in Fast Curing Glassy PMDI Foams
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Incorporating Complex Thermal Histories in Grain Microstructure Simulations of Additively Manufactured 316L SS
Abstract not provided.
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