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Research Output 1981 2019

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Conference contribution
2019
1 Citation (Scopus)

Verification and validation of a three-dimensional composite impact model with tabulated input

Goldberg, R. K., Ricks, T. M., Carney, K. S., Dubois, P., Khaled, B., Shyamsunder, L., Rajan, S. & Blankenhorn, G., Jan 1 2019, AIAA Scitech 2019 Forum. American Institute of Aeronautics and Astronautics Inc, AIAA, (AIAA Scitech 2019 Forum).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Composite materials
Plasticity
Constitutive models
Tensors
Plastic deformation
2018

Verification and Validation of a Generalized Orthotropic Material Model MAT213 Implemented in LS-DYNA

Shyamsunder, L., Khaled, B., Holt, N., Hoffarth, C., Rajan, S., Goldberg, R., Carney, K. S., Dubois, P. & Blankenhorn, G., Jan 1 2018, 33rd Technical Conference of the American Society for Composites 2018. DEStech Publications Inc., Vol. 1. p. 279-290 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Materials properties
Fibers
Composite materials
Testing
Experiments
2017

Development of an input suite for an orthotropic composite material model

Hoffarth, C., Khale, B., Shyamsunder, L., Rajan, S., Goldberg, R., Carney, K. S., DuBois, P. & Blankenhorn, G., Jan 1 2017, 32nd Technical Conference of the American Society for Composites 2017. DEStech Publications Inc., Vol. 4. p. 2853-2864 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Composite materials
Composite Resins
Constitutive models
Strain rate
Resins
1 Citation (Scopus)

Implementation of a tabulated failure model into a generalized composite material model suitable for use in impact problems

Goldberg, R. K., Carney, K. S., DuBois, P., Hoffarth, C., Khaled, B., Shyamsunder, L., Rajan, S. & Blankenhorn, G., Jan 1 2017, 32nd Technical Conference of the American Society for Composites 2017. DEStech Publications Inc., Vol. 2. p. 1315-1330 16 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Composite materials
Plasticity
Polymer matrix composites
Constitutive models
2016

Analysis and characterization of damage and failure utilizing a generalized composite material model suitable for use in impact problems

Goldberg, R. K., Carney, K. S., Dubois, P., Khaled, B., Hoffarth, C., Rajan, S. & Blankenhorn, G., 2016, Proceedings of the American Society for Composites - 31st Technical Conference, ASC 2016. DEStech Publications Inc.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Composite materials
Plasticity
Stress-strain curves
Constitutive models
NASA
1 Citation (Scopus)

Analysis and Characterization of Damage Utilizing an Orthotropic Generalized Composite Material Model Suitable for Use in Impact Problems

Goldberg, R. K., Carney, K. S., Dubois, P., Hoffarth, C., Rajan, S. & Blankenhorn, G., 2016, Earth and Space 2016: Engineering for Extreme Environments - Proceedings of the 15th Biennial International Conference on Engineering, Science, Construction, and Operations in Challenging Environments. American Society of Civil Engineers (ASCE), p. 765-774 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Composite materials
Plasticity
Polymer matrix composites
Stress-strain curves
Constitutive models
2015
4 Citations (Scopus)

Incorporation of plasticity and damage into an orthotropic three-dimensional model with tabulated input suitable for use in composite impact problems

Goldberg, R. K., Carney, K. S., Dubois, P., Hoffarth, C., Rajan, S. & Blankenhorn, G., 2015, Proceedings of the American Society for Composites - 30th Technical Conference, ACS 2015. DEStech Publications

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Plasticity
Composite materials
Plastic deformation
Polymer matrix composites
Aerospace industry
2014

Experimental study of shear behavior of Kevlar 49 fabrics

Zhu, D., Mobasher, B. & Rajan, S., 2014, Proceedings of the American Society for Composites - 29th Technical Conference, ASC 2014; 16th US-Japan Conference on Composite Materials; ASTM-D30 Meeting. DEStech Publications

Research output: Chapter in Book/Report/Conference proceedingConference contribution

MATLAB
Shear stress
Image processing
Kevlar 49
2013

Optimization of finite element modeling of woven fabric ballistic impact

Zhu, D., Mobasher, B. & Rajan, S., 2013, Proceedings - 27th International Symposium on Ballistics, BALLISTICS 2013. DEStech Publications Inc., Vol. 2. p. 1608-1616 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Finite Element Modeling
Ballistics
Optimization
LS-DYNA
Subroutines
1 Citation (Scopus)

Strain rate effect on the failure behavior of kevlar 49 fabric and single yarn

Zhu, D., Mobasher, B. & Rajan, S., 2013, 13th International Conference on Fracture 2013, ICF 2013. Chinese Society of Theoretical and Applied Mechanics, Vol. 2. p. 1517-1526 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

strain rate
Yarn
Strain rate
Young modulus
tensile strength
2012
3 Citations (Scopus)

Improvements to dry fabric modeling for ballistic mitigation systems

Deivanayagam, A., Mobasher, B. & Rajan, S., 2012, Earth and Space 2012 - Proceedings of the 13th ASCE Aerospace Division Conference and the 5th NASA/ASCE Workshop on Granular Materials in Space Exploration. p. 1275-1284 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ballistics
Weibull distribution
Energy absorption
Constitutive models
Propulsion
2011
5 Citations (Scopus)

Characterization of mechanical behavior of Kevlar 49 fabrics

Zhu, D., Mobasher, B. & Rajan, S., 2011, Conference Proceedings of the Society for Experimental Mechanics Series. Vol. 6. p. 377-384 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Poisson ratio
Ballistics
Engines
Propulsion
Fans
9 Citations (Scopus)

Experimental study of dynamic behavior of kevlar 49 single yarn

Zhu, D., Mobasher, B. & Rajan, S., 2011, Conference Proceedings of the Society for Experimental Mechanics Series. Vol. 1. p. 147-152 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yarn
Strain rate
Fibers
Materials properties
Tensile strength
3 Citations (Scopus)

Finite element modeling of ballistic impact on Kevlar 49 fabrics

Zhu, D., Mobasher, B. & Rajan, S., 2011, Conference Proceedings of the Society for Experimental Mechanics Series. Vol. 1. p. 249-258 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ballistics
Subroutines
Projectiles
Spatial distribution
Sensitivity analysis
1 Citation (Scopus)

Non-contacting strain measurement in dynamic tensile testing

Zhu, D., Mobasher, B. & Rajan, S., 2011, Conference Proceedings of the Society for Experimental Mechanics Series. Vol. 6. p. 209-216 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Strain measurement
Tensile testing
Dilatometers
Composite materials
Cements
2010
5 Citations (Scopus)

Experimental study of dynamic behavior of Kevlar 49 single yarn

Zhu, D., Mobasher, B. & Rajan, S., 2010, Society for Experimental Mechanics - SEM Annual Conference and Exposition on Experimental and Applied Mechanics 2010. Vol. 1. p. 542-547 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yarn
Strain rate
Fibers
Materials properties
Tensile strength
2009

Experimental study and modeling of single yarn pull-out behavior of Kevlar 49

Zhu, D., Mobasher, B. & Rajan, S., 2009, Society for Experimental Mechanics - SEM Annual Conference and Exposition on Experimental and Applied Mechanics 2009. Vol. 1. p. 42-43 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Yarn
2008
6 Citations (Scopus)

Experimental development of a constitutive model for high-speed impact containment fabrics

Zhu, D., Bansal, S., Naik, D., Mobasher, B., Rajan, S. & Pereira, M., 2008, Earth and Space Conference 2008: Proceedings of the 11th Aerospace Division International Conference on Engineering, Science, Construction, and Operations in Challenging Environments. Vol. 323.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Constitutive models
Projectiles
Materials properties
Friction
Ballistics
14 Citations (Scopus)

High strain rate testing of kevlar 49

Zhu, D., Mobasher, B. & Rajan, S., 2008, Society for Experimental Mechanics - 11th International Congress and Exhibition on Experimental and Applied Mechanics 2008. Vol. 1. p. 34-35 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Strain rate
Testing
14 Citations (Scopus)

Image analysis of Kevlar 49 fabric at high strain rate

Zhu, D., Mobasher, B. & Rajan, S., 2008, Society for Experimental Mechanics - 11th International Congress and Exhibition on Experimental and Applied Mechanics 2008. Vol. 2. p. 986-991 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Image analysis
Strain rate
Dilatometers
Stress-strain curves
Strain gages

Numerical modeling of engine fan blade-out events

Stahlecker, Z., Bansal, S., Mobasher, B., Rajan, S. & Vintilescu, I., 2008, Earth and Space Conference 2008: Proceedings of the 11th Aerospace Division International Conference on Engineering, Science, Construction, and Operations in Challenging Environments. Vol. 323.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fans
Engines
Constitutive models
Propulsion
Strain rate
2007

Nonlinear random response of large-scale sparse finite element structural problems

Chokshi, S., Mei, C., Nguyen, D. T. & Rajan, S., 2007, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. Vol. 8. p. 7891-7900 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

ABAQUS
Nonlinear equations
Equations of motion
2006
1 Citation (Scopus)

Structural topology optimization based on virtual testing with general constraints

Belegundu, A. D., Rajan, S., Wuppalapati, S., Nandakwang, P., Gianforcaro, R. & Ville, J. S., 2006, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. Vol. 7. p. 4757-4766 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Structural optimization
Shape optimization
Testing
2004
2 Citations (Scopus)

Finite element analysis & design optimization in a distributed computing environment

Rajan, S., Belegundu, A. D., Lee, D., Damle, A. S. & St Ville, J., 2004, Collection of Technical Papers - 10th AIAA/ISSMO Multidisciplinary Analysis and Optimization Conference. Vol. 3. p. 1716-1726 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Distributed computer systems
Finite element method
Shape optimization
Cluster computing
Supercomputers
2000
1 Citation (Scopus)

Automated design of steel trusses

Chen, S. Y., Mobasher, B. & Rajan, S., 2000, International Specialty Conference on Cold-Formed Steel Structures: Recent Research and Developments in Cold-Formed Steel Design and Construction. LaBoube, R. A. & Yu, W. W. (eds.). p. 411-422 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Trusses
Steel
Roofs
Costs
Genetic algorithms
1998
1 Citation (Scopus)

A cost based approach to design of residential steel roof systems

Mobasher, B., Chen, S. Y., Young, C. & Rajan, S., 1998, International Specialty Conference on Cold-Formed Steel Structures: Recent Research and Developments in Cold-Formed Steel Design and Construction. Yu, W. W. & LaBoube, R. A. (eds.). p. 613-625 13 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Roofs
Steel
Costs
Trusses
Testing

Prolonging fatigue life of structural components through shape changes

Gani, L. & Rajan, S., 1998, 7th AIAA/USAF/NASA/ISSMO Symposium on Multidisciplinary Analysis and Optimization. American Institute of Aeronautics and Astronautics Inc, AIAA, p. 1082-1092 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Fatigue of materials
Fracture mechanics
Mesh generation
Geometry
Nonlinear programming
1997

Structural optimization in electronic communication products

Rajan, S. & Nagaraj, B., 1997, Proceedings of the Conference on Optimization in Industry. Belegundu, A. D. & Mistree, F. (eds.). Fairfield, NJ, United States: ASME, p. 159-168 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Structural optimization
Microelectronics
Plastics
Ball grid arrays
Communication
2 Citations (Scopus)

Use of genetic algorithms for the automated design of residential steel roof trusses

Chen, S. Y., Situ, J., Mobasher, B. & Rajan, S., 1997, Proceedings of the US-Japan Joint Seminar on Structural Optimization. Frangopol, D. M. & Cheng, F. Y. (eds.). New York, NY, United States: ASCE, p. 43-54 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Trusses
Roofs
Genetic algorithms
Steel
Chromosomes
1995
2 Citations (Scopus)

Towards enhancing the life of plastic power packages using design optimization

Rajan, S. & Nagaraj, B., 1995, American Society of Mechanical Engineers, EEP. Vol. 10-1. p. 255-263 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Plastics
Nonlinear programming
Product design
Microelectronics
Packaging
1993

Automated design tool for examining microelectronic packaging design alternatives

Chin, S. W., Rajan, S., Nagaraj, B. K. & Mahalingam, M., 1993, American Society of Mechanical Engineers, Design Engineering Division (Publication) DE. Shahinpoor, M. & Tzou, H. S. (eds.). New York, NY, United States: Publ by ASME, Vol. 55. p. 263-276 14 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microelectronics
Packaging
Nonlinear programming
Semiconductor materials
Finite element method
3 Citations (Scopus)

Shape optimal design methodology - the hybrid natural approach

Budiman, J. & Rajan, S., 1993, Collection of Technical Papers - AIAA/ASME Structures, Structural Dynamics and Materials Conference. pt 1 ed. Publ by AIAA, p. 544-554 11 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Structural design
Optimal design
Design optimization
1992

A shape optimal design methodology for packaging design

Rajan, S., Nagaraj, B. & Mahalingam, M., Jan 1992, Proceedings - Electronic Components Conference. Piscataway, NJ, United States: Publ by IEEE, p. 752-758 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Packaging
Electronics packaging
Nonlinear programming
Product development
Refining
2 Citations (Scopus)

Methodology for automated design of electronic components with a case study

Rajan, S., Sarihan, V. & Mahalingam, M., 1992, American Society of Mechanical Engineers, EEP. New York, NY, United States: Publ by ASME, Vol. 1. p. 33-41 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Packaging
Nonlinear programming
Finite element method
Electronics packaging
Sensitivity analysis
1990
8 Citations (Scopus)

Comparison of natural and geometric approaches for shape optimal design

Rajan, S. & Gani, L., 1990, Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference. pt 1 ed. Publ by AIAA, p. 196-205 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Splines
Polynomials
Optimal design

Interfacing pavement management and design process

Zaniewski, J. P., Mamlouk, M. & Rajan, S., 1990, Microcomput Appl Transp III Proc Int Conf Microcomput Transp. New York, NY, United States: Publ by ASCE, p. 874-885 12 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Pavements
Patient rehabilitation
Microcomputers
Engineers
Costs
1989

Shape optimal design of mechanical components

Rajan, S., 1989, Computers in Engineering, Proceedings of the International Computers in Engineering Conference and Exhibit. New York, NY, United States: Publ by American Soc of Mechanical Engineers (ASME), p. 219-224 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Elasticity
Heat transfer
Finite element method
Optimal design
1984

TEQUEL: THE QUERY LANGUAGE OF SADDLE.

Rajan, S., 1984, NASA Conference Publication. NASA, Scientific & Technical Information Branch, p. 55-71 17 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Query languages
FORTRAN (programming language)
Application programs