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Proceedings Papers

Simulation of Deformation in Nial Single Crystals

Chulho Yang, Ashok V. Kumar
Proc. ASME. IMECE97, Recent Advances in Solids/Structures and Application of Metallic Materials, 383-388, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0552
https://doi.org/10.1115/IMECE1997-0552
View Paper titled, Simulation of Deformation in Nial Single Crystals
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Topics: Crystals, Deformation, Simulation, Tensile testing, Diffusion (Physics), Finite element analysis, Finite element model, Hardening, Necking
Proceedings Papers

A Sequential Approximation Method for Structural Optimization Using Logarithmic Barriers

Ashok V. Kumar, David C. Gossard
Proc. ASME. DETC93, 19th Design Automation Conference: Volume 1 — Mechanical System Dynamics; Concurrent and Robust Design; Design for Assembly and Manufacture; Genetic Algorithms in Design and Structural Optimization, 735-742, September 19–22, 1993
Publisher: American Society of Mechanical Engineers
Paper No: DETC1993-0366
https://doi.org/10.1115/DETC1993-0366
View Paper titled, A Sequential Approximation Method for Structural Optimization Using Logarithmic Barriers
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Topics: Approximation, Structural optimization, Computation, Engineering design, Nonlinear programming, Optimization
Proceedings Papers

Object-Oriented Implementation of Finite Element Methodology

Ashok V. Kumar, Lichao Yu
Proc. ASME. DETC98, Volume 6: 18th Computers in Engineering Conference, V006T06A015, September 13–16, 1998
Publisher: American Society of Mechanical Engineers
Paper No: DETC98/CIE-5508
https://doi.org/10.1115/DETC98/CIE-5508
View Paper titled, Object-Oriented Implementation of Finite Element Methodology
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Topics: Finite element analysis, Computer software, Algorithms, Boundary-value problems, Finite element methods
Proceedings Papers

Design of Optimally Stiff Structures Using Shape Density Function

Ashok V. Kumar, Aaron Wood
Proc. ASME. DETC99, Volume 1: 25th Design Automation Conference, 1101-1106, September 12–16, 1999
Publisher: American Society of Mechanical Engineers
Paper No: DETC99/DAC-8601
https://doi.org/10.1115/DETC99/DAC-8601
View Paper titled, Design of Optimally Stiff Structures Using Shape Density Function
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Topics: Density, Design, Shapes, Geometry, Materials properties, Optimization, Topology
Journal Articles

Isoparametric B-Spline Elements for Immersed Boundary Explicit Dynamic Simulation

Shashank Menon, Ashok V. Kumar
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research Papers
J. Comput. Inf. Sci. Eng. August 2020, 20(4): 041010.
Paper No: JCISE-19-1303
https://doi.org/10.1115/1.4046338
Published Online: March 12, 2020
View Article titled, Isoparametric B-Spline Elements for Immersed Boundary Explicit Dynamic Simulation
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Topics: B-splines, Simulation, Displacement, Stress, Geometry, Shapes, Boundary-value problems
Journal Articles

Survey of Immersed Boundary Approaches for Finite Element Analysis

Ashok V. Kumar
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research Papers
J. Comput. Inf. Sci. Eng. August 2020, 20(4): 041003.
Paper No: JCISE-19-1068
https://doi.org/10.1115/1.4045054
Published Online: February 21, 2020
View Article titled, Survey of Immersed Boundary Approaches for Finite Element Analysis
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Topics: Approximation, Boundary-value problems, B-splines, Composite materials, Displacement, Finite element analysis, Finite element methods, Geometry, Shells, Interpolation
Journal Articles

Conceptual Design of Structures Using an Upper Bound of von Mises Stress

Ashok V. Kumar
Journal: Journal of Computing and Information Science in Engineering
Publisher: ASME
Article Type: Research-Article
J. Comput. Inf. Sci. Eng. March 2019, 19(1): 011005.
Paper No: JCISE-18-1076
https://doi.org/10.1115/1.4041705
Published Online: November 19, 2018
View Article titled, Conceptual Design of Structures Using an Upper Bound of von Mises Stress
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Topics: Density, Stress, Optimization, Topology, Design
Proceedings Papers

Mesh Independent Modeling of Essential, Interface and Periodic Boundary Conditions Using Step Boundary Method

Aswath Manogaran, Ashok V. Kumar
Proc. ASME. IDETC-CIE2017, Volume 1: 37th Computers and Information in Engineering Conference, V001T02A005, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-68044
https://doi.org/10.1115/DETC2017-68044
View Paper titled, Mesh Independent Modeling of Essential, Interface and Periodic Boundary Conditions Using Step Boundary Method
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Topics: Boundary-value problems, Modeling, Geometry, Composite materials, Finite element analysis
Proceedings Papers

Total Lagrangian Formulation for Large Deformation Modeling Using Uniform Background Mesh

Nikhil Bhosale, Ashok V. Kumar
Proc. ASME. IDETC-CIE2016, Volume 1A: 36th Computers and Information in Engineering Conference, V01AT02A008, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-60402
https://doi.org/10.1115/DETC2016-60402
View Paper titled, Total Lagrangian Formulation for Large Deformation Modeling Using Uniform Background Mesh
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Topics: Deformation, Modeling, Boundary-value problems, Geometry, Stress, Computer software, Dynamic analysis, Finite element analysis, Mesh generation, Newton's method
Proceedings Papers

Coupled Electrostatic-Structural Analysis Using Mesh Independent Approach

Pushkar Mishra, Ashok V. Kumar
Proc. ASME. IDETC-CIE2015, Volume 1A: 35th Computers and Information in Engineering Conference, V01AT02A006, August 2–5, 2015
Publisher: American Society of Mechanical Engineers
Paper No: DETC2015-46865
https://doi.org/10.1115/DETC2015-46865
View Paper titled, Coupled Electrostatic-Structural Analysis Using Mesh Independent Approach
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Topics: Accelerometers, Boundary-value problems, Deformation, Design, Electric fields, Geometry, Manufacturing, Materials properties, Microelectromechanical systems, Stress
Proceedings Papers

T-Spline Based Local Refinement for Mesh Independent Analysis

Ravi K. Burla, Ashok V. Kumar
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A003, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-34500
https://doi.org/10.1115/DETC2014-34500
View Paper titled, T-Spline Based Local Refinement for Mesh Independent Analysis
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Topics: Splines, Boundary-value problems, Approximation, B-splines, Computer-aided design, Construction, Elasticity, Geometry, Interpolation, Junctions
Proceedings Papers

Modal Analysis Using Implicit Boundary Finite Element Methods

Zhiyuan Zhang, Ashok V. Kumar
Proc. ASME. IDETC-CIE2014, Volume 1A: 34th Computers and Information in Engineering Conference, V01AT02A007, August 17–20, 2014
Publisher: American Society of Mechanical Engineers
Paper No: DETC2014-35100
https://doi.org/10.1115/DETC2014-35100
View Paper titled, Modal Analysis Using Implicit Boundary Finite Element Methods
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Topics: Finite element methods, Modal analysis, Approximation, Boundary-value problems, B-splines, Dynamic analysis, Eigenvalues, Geometry, Mode shapes, Stiffness
Proceedings Papers

Implicit Boundary Approach for Reissner-Mindlin Plates

Hailong Chen, Ashok V. Kumar
Proc. ASME. IDETC-CIE2013, Volume 2A: 33rd Computers and Information in Engineering Conference, V02AT02A010, August 4–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DETC2013-12714
https://doi.org/10.1115/DETC2013-12714
View Paper titled, Implicit Boundary Approach for Reissner-Mindlin Plates
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Topics: Boundary-value problems, Finite element analysis, Geometry, Plate theory, Plates (structures), Robustness, Shear (Mechanics), Shear stress, Shells, Solid models
Proceedings Papers

Topology Optimization of Structures Using a Global Stress Measure

Vijay Krishna Yalamanchili, Ashok V. Kumar
Proc. ASME. IDETC-CIE2012, Volume 2: 32nd Computers and Information in Engineering Conference, Parts A and B, 1321-1328, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-71546
https://doi.org/10.1115/DETC2012-71546
View Paper titled, Topology Optimization of Structures Using a Global Stress Measure
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Topics: Optimization, Stress, Topology, Density, Design, Finite element analysis
Proceedings Papers

Efficient Implementation of Extended Finite Element Method

Vishal Hotwani, Ashok V. Kumar
Proc. ASME. IDETC-CIE2012, Volume 2: 32nd Computers and Information in Engineering Conference, Parts A and B, 157-163, August 12–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: DETC2012-70893
https://doi.org/10.1115/DETC2012-70893
View Paper titled, Efficient Implementation of Extended Finite Element Method
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Topics: Finite element methods, Fracture (Materials), Finite element analysis, Stress, Boundary-value problems, Computation, Fracture mechanics, Modeling, Stress concentration
Proceedings Papers

Design of Compliant Structural Mechanisms Using B-Spline Elements

Ashok V. Kumar, Anand Parthasarathy
Proc. ASME. IDETC-CIE2011, Volume 2: 31st Computers and Information in Engineering Conference, Parts A and B, 127-133, August 28–31, 2011
Publisher: American Society of Mechanical Engineers
Paper No: DETC2011-48615
https://doi.org/10.1115/DETC2011-48615
View Paper titled, Design of Compliant Structural Mechanisms Using B-Spline Elements
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Topics: B-splines, Design, Shapes, Inverse problems, Optimization, Topology, Approximation, Compliant mechanisms, Displacement, Finite element analysis
Proceedings Papers

Analysis of Shell-Like Structures Using Structured Mesh

Ashok V. Kumar, Prem Dheepak Salem Periyasamy
Proc. ASME. IDETC-CIE2010, Volume 3: 30th Computers and Information in Engineering Conference, Parts A and B, 73-79, August 15–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: DETC2010-28583
https://doi.org/10.1115/DETC2010-28583
View Paper titled, Analysis of Shell-Like Structures Using Structured Mesh
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Topics: Shells, Approximation, B-splines, Geometry, Finite element methods, Displacement, Mesh generation
Proceedings Papers

Damage Sensing by Inverse Estimation of Electrical Resistivity of Composite Structure

Sung-Uk Zhang, Ashok V. Kumar
Proc. ASME. IDETC-CIE2010, Volume 3: 30th Computers and Information in Engineering Conference, Parts A and B, 843-849, August 15–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: DETC2010-28859
https://doi.org/10.1115/DETC2010-28859
View Paper titled, Damage Sensing by Inverse Estimation of Electrical Resistivity of Composite Structure
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Topics: Composite materials, Damage, Electrical resistivity, Electrodes, Inverse problems, Algorithms, Finite element methods, Manufacturing, Voltage distribution
Journal Articles

Inverse Method for Estimating Resistivity of Carbon Fiber Composite Structures

Sung-Uk Zhang, Ashok V. Kumar
Journal: Journal of Engineering Materials and Technology
Publisher: ASME
Article Type: Research Papers
J. Eng. Mater. Technol. January 2011, 133(1): 011009.
https://doi.org/10.1115/1.4002627
Published Online: December 2, 2010
View Article titled, Inverse Method for Estimating Resistivity of Carbon Fiber Composite Structures
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Topics: Composite materials, Damage, Electrical resistivity, Electrodes, Carbon fibers, Inverse problems
Proceedings Papers

Local Hierarchical Grid Refinement for Analysis Using Structured Grids

Ashok V. Kumar, Ravi K. Burla
Proc. ASME. IDETC-CIE2009, Volume 2: 29th Computers and Information in Engineering Conference, Parts A and B, 139-146, August 30–September 2, 2009
Publisher: American Society of Mechanical Engineers
Paper No: DETC2009-87564
https://doi.org/10.1115/DETC2009-87564
View Paper titled, Local Hierarchical Grid Refinement for Analysis Using Structured Grids
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Topics: Boundary-value problems, Elasticity, Finite element analysis, Mesh generation, Resolution (Optics), Stress concentration