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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
Journal Articles

Effect of Tuck and Miss Stitch on the Geometrical Properties of Regenerated Cellulose Plain and Derivative Knit Structures

R. Divya, C. Prakash, S. Kubera Sampath Kumar, R. Rathinamoorthy, K. V. Kumar, A. Jebastin Rajwin
Journal: Journal of Testing and Evaluation
Publisher: ASTM International
Article Type: Technical Papers
J. Test. Eval.. January 2022, 50(1): 368–377.
Paper No: JTE20210257
https://doi.org/10.1520/JTE20210257
Published Online: January 1, 2022
View Article titled, Effect of Tuck and Miss Stitch on the Geometrical Properties of Regenerated Cellulose Plain and Derivative Knit Structures
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Journal Articles

Effect of Stretching on the Air Permeability of Recycled Polyester/Virgin Cotton and Its Blended Socks

D. Vasanth Kumar, D. Raja, K. V. Kumar
Journal: Journal of Testing and Evaluation
Publisher: ASTM International
Article Type: Technical Papers
J. Test. Eval.. July 2021, 49(4): 2680–2691.
Paper No: JTE20200398
https://doi.org/10.1520/JTE20200398
Published Online: July 1, 2021
View Article titled, Effect of Stretching on the Air Permeability of Recycled Polyester/Virgin Cotton and Its Blended Socks
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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
eBook Chapter

Identification of Safe Hot-Working Conditions in Cast Zr-2.5Nb

Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2015
ISBN: 978-0-8031-7529-7
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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

Identification of the Intermittent Synchronous Instability in a High Performance Steam Turbine Rotor Due to Deteriorated Labyrinth Seals

Inam U. Haq, Chittineni V. Kumar, Rayed M. Al-Zaid
Proc. ASME. GT1998, Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V005T14A019, June 2–5, 1998
Publisher: American Society of Mechanical Engineers
Paper No: 98-GT-305
https://doi.org/10.1115/98-GT-305
View Paper titled, Identification of the Intermittent Synchronous Instability in a High Performance Steam Turbine Rotor Due to Deteriorated Labyrinth Seals
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Topics: Rotors, Steam turbines, Vibration, High pressure (Physics), Steam, Turbines, Compressors, Gages, Petrochemicals, Pressure
Proceedings Papers

Dynamic Learning Framework: Adaptive Assessment Development for the Undergraduate Fluid Mechanics

V. Kumar, A. Castellanos, J. Ortega, V. Tandon, N. Agarwal, V. Udoewa, A. Kumar, S. Prasad
Proc. ASME. FEDSM2014, Volume 1A, Symposia: Advances in Fluids Engineering Education; Turbomachinery Flow Predictions and Optimization; Applications in CFD; Bio-Inspired Fluid Mechanics; Droplet-Surface Interactions; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES, and Hybrid RANS/LES Methods, V01AT01A003, August 3–7, 2014
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2014-21718
https://doi.org/10.1115/FEDSM2014-21718
View Paper titled, Dynamic Learning Framework: Adaptive Assessment Development for the Undergraduate Fluid Mechanics
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Topics: Algorithms, Computer programming languages, Computers, Databases, Engineering education, Fluid mechanics, Generators, Humanoid robots, Testing, Undergraduate students
Proceedings Papers

Synchronous Instability Problems in High Performance Turbomachines During Steady State Full Load Operation

Inam U. Haq, Chittineni V. Kumar, Adel H. Basheer
Proc. ASME. GT2000, Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education, V004T03A029, May 8–11, 2000
Publisher: American Society of Mechanical Engineers
Paper No: 2000-GT-0386
https://doi.org/10.1115/2000-GT-0386
View Paper titled, Synchronous Instability Problems in High Performance Turbomachines During Steady State Full Load Operation
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Topics: Steady state, Stress, Turbomachinery, Vibration, Compressors, Dynamics (Mechanics), Excitation, High pressure (Physics), Machinery, Rotordynamics
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

Touchpad in Education: Dynamic Learning Framework Assessment and Content Development for the Undergraduate Fluid Mechanics

V. Kumar, C. Ramana, S. Afrin, J. Ortega, Neelam Agarwal, Victor Udoewa
Proc. ASME. FEDSM2013, Volume 1A, Symposia: Advances in Fluids Engineering Education; Advances in Numerical Modeling for Turbomachinery Flow Optimization; Applications in CFD; Bio-Inspired Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES, and Hybrid RANS/LES Methods, V01AT01A004, July 7–11, 2013
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM2013-16257
https://doi.org/10.1115/FEDSM2013-16257
View Paper titled, Touchpad in Education: Dynamic Learning Framework Assessment and Content Development for the Undergraduate Fluid Mechanics
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Topics: Education, Fluid mechanics, Undergraduate students, Students, Algorithms, Computers, Databases, Humanoid robots, Mechanical engineering, Performance