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Proceedings Papers

Simulation of Deformation in Nial Single Crystals

Proc. ASME. IMECE97, Recent Advances in Solids/Structures and Application of Metallic Materials, 383-388, November 16–21, 1997

Paper No: IMECE1997-0552

DOI: https://doi.org/10.1115/IMECE1997-0552

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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

Paper No: DETC1993-0366

DOI: https://doi.org/10.1115/DETC1993-0366

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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

Paper No: DETC98/CIE-5508

DOI: https://doi.org/10.1115/DETC98/CIE-5508

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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

Paper No: DETC99/DAC-8601

DOI: https://doi.org/10.1115/DETC99/DAC-8601

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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

J. Comput. Inf. Sci. Eng. August 2020, 20(4): 041010.

Paper No: JCISE-19-1303

DOI: https://doi.org/10.1115/1.4046338

Published Online: March 12, 2020

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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

J. Comput. Inf. Sci. Eng. August 2020, 20(4): 041003.

Paper No: JCISE-19-1068

DOI: https://doi.org/10.1115/1.4045054

Published Online: February 21, 2020

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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

J. Comput. Inf. Sci. Eng. March 2019, 19(1): 011005.

Paper No: JCISE-18-1076

DOI: https://doi.org/10.1115/1.4041705

Published Online: November 19, 2018

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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

Paper No: DETC2017-68044

DOI: https://doi.org/10.1115/DETC2017-68044

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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

Paper No: DETC2016-60402

DOI: https://doi.org/10.1115/DETC2016-60402

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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

Paper No: DETC2015-46865

DOI: https://doi.org/10.1115/DETC2015-46865

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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

Paper No: DETC2014-34500

DOI: https://doi.org/10.1115/DETC2014-34500

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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

Paper No: DETC2014-35100

DOI: https://doi.org/10.1115/DETC2014-35100

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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

Paper No: 98-GT-305

DOI: https://doi.org/10.1115/98-GT-305

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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

Paper No: FEDSM2014-21718

DOI: https://doi.org/10.1115/FEDSM2014-21718

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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

Paper No: 2000-GT-0386

DOI: https://doi.org/10.1115/2000-GT-0386

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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

Paper No: DETC2013-12714

DOI: https://doi.org/10.1115/DETC2013-12714

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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

Paper No: FEDSM2013-16257

DOI: https://doi.org/10.1115/FEDSM2013-16257

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Topics: Education, Fluid mechanics, Undergraduate students, Students, Algorithms, Computers, Databases, Humanoid robots, Mechanical engineering, Performance

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

Paper No: DETC2012-71546

DOI: https://doi.org/10.1115/DETC2012-71546

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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

Paper No: DETC2012-70893

DOI: https://doi.org/10.1115/DETC2012-70893

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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

Paper No: DETC2011-48615

DOI: https://doi.org/10.1115/DETC2011-48615

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Topics: B-splines, Design, Shapes, Inverse problems, Optimization, Topology, Approximation, Compliant mechanisms, Displacement, Finite element analysis

Journal citation

NARROW

Simulation of Deformation in Nial Single Crystals

A Sequential Approximation Method for Structural Optimization Using Logarithmic Barriers

Object-Oriented Implementation of Finite Element Methodology

Design of Optimally Stiff Structures Using Shape Density Function

Isoparametric B-Spline Elements for Immersed Boundary Explicit Dynamic Simulation

Survey of Immersed Boundary Approaches for Finite Element Analysis

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

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

Total Lagrangian Formulation for Large Deformation Modeling Using Uniform Background Mesh

Coupled Electrostatic-Structural Analysis Using Mesh Independent Approach

T-Spline Based Local Refinement for Mesh Independent Analysis

Modal Analysis Using Implicit Boundary Finite Element Methods

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

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

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

Implicit Boundary Approach for Reissner-Mindlin Plates

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

Topology Optimization of Structures Using a Global Stress Measure

Efficient Implementation of Extended Finite Element Method

Design of Compliant Structural Mechanisms Using B-Spline Elements

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