Keith D. Hjelmstad - Publications

Affiliations: 
University of Illinois, Urbana-Champaign, Urbana-Champaign, IL 
Area:
Civil Engineering, Computer Science

53 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2014 Prakash A, Taciroglu E, Hjelmstad KD. Computationally efficient multi-time-step method for partitioned time integration of highly nonlinear structural dynamics Computers and Structures. 133: 51-63. DOI: 10.1016/J.Compstruc.2013.11.013  0.732
2012 Turner DZ, Nakshatrala KB, Hjelmstad KD. On stabilized formulations for incompressible navier-stokes equations based on multi-scale decomposition formalism Mechanics of Advanced Materials and Structures. 19: 216-232. DOI: 10.1080/15502287.2011.572113  0.719
2011 Cochran KB, Dodds RH, Hjelmstad KD. The role of strain ratcheting and mesh refinement in finite element analyses of plasticity induced crack closure International Journal of Fatigue. 33: 1205-1220. DOI: 10.1016/J.Ijfatigue.2011.03.005  0.732
2011 Turner DZ, Nakshatrala KB, Hjelmstad KD. A stabilized formulation for the advection-diffusion equation using the Generalized Finite Element Method International Journal For Numerical Methods in Fluids. 66: 64-81. DOI: 10.1002/fld.2248  0.761
2010 Haikal G, Hjelmstad KD. An enriched discontinuous Galerkin formulation for the coupling of non-conforming meshes Finite Elements in Analysis and Design. 46: 496-503. DOI: 10.1016/j.finel.2009.12.008  0.767
2010 Turner DZ, Nakshatrala KB, Hjelmstad KD. A variational multiscale Newton-Schur approach for the incompressible Navier-Stokes equations International Journal For Numerical Methods in Fluids. 62: 119-137. DOI: 10.1002/fld.2014  0.748
2009 Nakshatrala KB, Prakash A, Hjelmstad KD. On dual Schur domain decomposition method for linear first-order transient problems Journal of Computational Physics. 228: 7957-7985. DOI: 10.1016/J.Jcp.2009.07.016  0.766
2009 Turner DZ, Nakshatrala KB, Hjelmstad KD. On the stability of bubble functions and a stabilized mixed finite element formulation for the Stokes problem International Journal For Numerical Methods in Fluids. 60: 1291-1314. DOI: 10.1002/Fld.1936  0.776
2008 Haikal G, Hjelmstad KD. Corrigendum to "A finite element formulation of non-smooth contact based on oriented volumes for quadrilateral and hexahedral elements" [Comput. Methods Appl. Mech. Engrg. 196 (2007) 4690-4711] (DOI:10.1016/j.cma.2007.06.002) Computer Methods in Applied Mechanics and Engineering. 197: 883. DOI: 10.1016/J.Cma.2007.08.003  0.771
2008 Nakshatrala KB, Masud A, Hjelmstad KD. On finite element formulations for nearly incompressible linear elasticity Computational Mechanics. 41: 547-561. DOI: 10.1007/S00466-007-0212-8  0.772
2008 Nakshatrala KB, Hjelmstad KD, Tortorelli DA. A FETI-based domain decomposition technique for time-dependent first-order systems based on a DAE approach International Journal For Numerical Methods in Engineering. 75: 1385-1415. DOI: 10.1002/Nme.2303  0.728
2007 Haikal G, Hjelmstad KD. A finite element formulation of non-smooth contact based on oriented volumes for quadrilateral and hexahedral elements Computer Methods in Applied Mechanics and Engineering. 196: 4690-4711. DOI: 10.1016/J.Cma.2007.06.002  0.772
2006 Turner DZ, Hjelmstad KD, LaFave JM. Three-dimensional flow visualization experiment of an RTM injection for a GFRP cuff mold Composite Structures. 76: 352-361. DOI: 10.1016/J.Compstruct.2005.05.008  0.347
2006 Nakshatrala KB, Turner DZ, Hjelmstad KD, Masud A. A stabilized mixed finite element method for Darcy flow based on a multiscale decomposition of the solution Computer Methods in Applied Mechanics and Engineering. 195: 4036-4049. DOI: 10.1016/J.Cma.2005.07.009  0.78
2006 Turner DZ, Nakshatrala KB, Hjelmstad KD. Finite element approach to composite mold design based on Darcy flow with velocity clipping Polymer Composites. 27: 65-70. DOI: 10.1002/Pc.20158  0.754
2005 Hjelmstad KD, Taciroglu E. Variational basis of nonlinear flexibility methods for structural analysis of frames Journal of Engineering Mechanics. 131: 1157-1169. DOI: 10.1061/(Asce)0733-9399(2005)131:11(1157)  0.652
2005 Carrion JE, Hjelmstad KD, LaFave JM. Finite element study of composite cuff connections for pultruded box sections Composite Structures. 70: 153-169. DOI: 10.1016/J.Compstruct.2004.08.028  0.39
2005 Turner DZ, Hjelmstad KD. Determining the 3D permeability of fibrous media using the Newton method Composites Part B: Engineering. 36: 609-618. DOI: 10.1016/J.Compositesb.2005.01.009  0.369
2004 Prakash A, Hjelmstad KD. A FETI-based multi-time-step coupling method for Newmark schemes in structural dynamics International Journal For Numerical Methods in Engineering. 61: 2183-2204. DOI: 10.1002/Nme.1136  0.592
2003 Kim J, Hjelmstad KD. Three-Dimensional Finite Element Analysis of Doweled Joints for Airport Pavements Transportation Research Record. 100-109. DOI: 10.3141/1853-12  0.455
2003 Pothisiri T, Hjelmstad KD. Structural damage detection and assessment from modal response Journal of Engineering Mechanics. 129: 135-145. DOI: 10.1061/(Asce)0733-9399(2003)129:2(135)  0.76
2003 Araki Y, Hjelmstad KD. Rate-dependent projection operators for frictional contact constraints International Journal For Numerical Methods in Engineering. 57: 923-954. DOI: 10.1002/Nme.711  0.404
2003 Hjelmstad KD, Taciroglu E. Mixed variational methods for finite element analysis of geometrically non-linear, inelastic Bernoulli-Euler beams Communications in Numerical Methods in Engineering. 19: 809-832. DOI: 10.1002/Cnm.622  0.664
2002 Taciroglu E, Hjelmstad KD. Simple nonlinear model for elastic response of cohesionless granular materials Journal of Engineering Mechanics. 128: 969-978. DOI: 10.1061/(Asce)0733-9399(2002)128:9(969)  0.637
2002 Hjelmstad KD, Taciroglu E. Mixed methods and flexibility approaches for nonlinear frame analysis Journal of Constructional Steel Research. 58: 967-993. DOI: 10.1016/S0143-974X(01)00100-6  0.691
2002 Pothisiri T, Hjelmstad KD. Strategy for finding a near-optimal measurement set for parameter estimation from modal response Journal of Sound and Vibration. 257: 89-106. DOI: 10.1006/Jsvi.2002.5030  0.736
2001 Araki Y, Hjelmstad KD. Optimum sensitivity-based statistical parameters estimation from modal response Aiaa Journal. 39: 1166-1174. DOI: 10.2514/2.1431  0.363
2001 Williamson EB, Hjelmstad KD. Nonlinear dynamics of a harmonically-excited inelastic inverted pendulum Journal of Engineering Mechanics. 127: 52-57. DOI: 10.1061/(Asce)0733-9399(2001)127:1(52)  0.356
2000 Hjelmstad KD, Taciroglu E. Analysis and implementation of resilient modulus models for granular solids Journal of Engineering Mechanics. 126: 821-830. DOI: 10.1061/(Asce)0733-9399(2000)126:8(821)  0.656
2000 Araki Y, Hjelmstad KD. Criteria for assessing dynamic collapse of elastoplastic structural systems Earthquake Engineering and Structural Dynamics. 29: 1177-1198. DOI: 10.1002/1096-9845(200008)29:8<1177::Aid-Eqe963>3.0.Co;2-E  0.318
1999 Smith SJ, Parsons ID, Hjelmstad KD. Experimental comparisons of connections for GFRP pultruded frames Journal of Composites For Construction. 3: 20-26. DOI: 10.1061/(Asce)1090-0268(1999)3:1(20)  0.305
1999 Smith SJ, Parsons ID, Hjelmstad KD. Finite-element and simplified models of GFRP connections Journal of Structural Engineering. 125: 749-756. DOI: 10.1061/(Asce)0733-9445(1999)125:7(749)  0.468
1998 Zuo QH, Hjelmstad KD. Piecewise linear warping theory for multilayered elastic beams Journal of Engineering Mechanics. 124: 377-384. DOI: 10.1061/(Asce)0733-9399(1998)124:4(377)  0.352
1998 Hjelmstad KD, Williamson EB. Dynamic stability of structural systems subjected to base excitation Engineering Structures. 20: 425-432. DOI: 10.1016/S0141-0296(97)00034-5  0.311
1997 Hjelmstad KD, Zuo Q, Kim J. Elastic pavement analysis using infinite elements Transportation Research Record. 72-76. DOI: 10.3141/1568-09  0.501
1997 Hjelmstad KD, Shin S. Damage detection and assessment of structures from static response Journal of Engineering Mechanics. 123: 568-576. DOI: 10.1061/(Asce)0733-9399(1997)123:6(568)  0.36
1997 Zuo QH, Hjelmstad KD. Conditions for bifurcation of a cantilever beam subjected to generalized follower loads: Geometrically exact approach Journal of Sound and Vibration. 203: 899-902. DOI: 10.1006/Jsvi.1996.0882  0.324
1997 Hjelmstad KD, Kim J, Zuo QH. Finite element procedures for three-dimensional pavement analysis Proceedings of the Airfield Pavement Conference. 125-137.  0.425
1996 Hjelmstad KD, Shin S. Crack identification in a cantilever beam from modal response Journal of Sound and Vibration. 198: 527-545. DOI: 10.1006/Jsvi.1996.0587  0.407
1996 Hjelmstad KD. On the uniqueness of modal parameter estimation Journal of Sound and Vibration. 192: 581-598. DOI: 10.1006/Jsvi.1996.0205  0.314
1995 Banan MR, Hjelmstad KD. Time-domain parameter estimation algorithm for structures. II: Numerical simulation studies Journal of Engineering Mechanics. 121: 435-447. DOI: 10.1061/(Asce)0733-9399(1995)121:3(435)  0.31
1995 Hjelmstad KD, Banan MR. Time-domain parameter estimation algorithm for structures. I: Computational aspects Journal of Engineering Mechanics. 121: 424-434. DOI: 10.1061/(Asce)0733-9399(1995)121:3(424)  0.368
1995 Hjelmstad KD, Banan MR. On building finite element models of structures from modal response Earthquake Engineering and Structural Dynamics. 24: 53-67. DOI: 10.1002/Eqe.4290240105  0.421
1994 Banan MR, Hjelmstad KD. Parameter estimation of structures from static response. II: Numerical simulation studies Journal of Structural Engineering (United States). 120: 3259-3283. DOI: 10.1061/(Asce)0733-9445(1994)120:11(3259)  0.31
1994 Banan MR, Hjelmstad KD. Parameter estimation of structures from static response. I. computational aspects Journal of Structural Engineering (United States). 120: 3243-3258. DOI: 10.1061/(Asce)0733-9445(1994)120:11(3243)  0.422
1992 Hjelmstad KD, Wood SL, Clark SJ. Mutual residual energy method for parameter estimation in structures Journal of Structural Engineering (United States). 118: 223-242. DOI: 10.1061/(Asce)0733-9445(1992)118:1(223)  0.412
1992 Banan MR, Hjelmstad KD. Parameter estimation in complex linear structures Probabilistic Mechanics and Structural and Geotechnical Reliability, Proceedings of the Specialty Conference. 571-574.  0.35
1991 Hjelmstad KD, Pezeshk S. Optimal design of frames to resist buckling under multiple load cases Journal of Structural Engineering (United States). 117: 914-935. DOI: 10.1061/(Asce)0733-9445(1991)117:3(914)  0.33
1989 Hjelmstad KD, Sang-Gab Lee. Lateral buckling of beams in eccentrically-braced frames Journal of Constructional Steel Research. 14: 251-272. DOI: 10.1016/0143-974X(89)90039-4  0.324
1988 Hjelmstad KD, Pezeshk S. Approximate analysis of post-limit response of frames Journal of Structural Engineering (United States). 114: 314-331. DOI: 10.1061/(Asce)0733-9445(1988)114:2(314)  0.398
1987 Hjelmstad KD. Warping effects in transverse bending of thin-walled beams Journal of Engineering Mechanics. 113: 907-924. DOI: 10.1061/(Asce)0733-9399(1987)113:6(907)  0.316
1986 Hjelmstad KD. Conjugate structure method Journal of Structural Engineering (United States). 112: 1412-1428. DOI: 10.1061/(Asce)0733-9445(1986)112:6(1413)  0.385
1984 Simo JC, Hjelmstad KD, Taylor RL. Numerical formulations of elasto-viscoplastic response of beams accounting for the effect of shear Computer Methods in Applied Mechanics and Engineering. 42: 301-330. DOI: 10.1016/0045-7825(84)90011-2  0.369
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