Grand Joldes

Dr, BEng Tech.Mil.Acad. (Bucharest), MSc Poly. Timisoara, PhD W.Aust.

  • The University of Western Australia (M050), 35 Stirling Highway,

    6009 Perth

    Australia

  • 1353 Citations
  • 20 h-Index
20062021
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Research Output 2006 2019

2019
Magnetohydrodynamic Flow
Meshless
Magnetohydrodynamics
Collocation Method
Ducts

An Explicit Meshless Point Collocation Solver for Incompressible Navier-Stokes Equations

Bourantas, G., Zwick, B., Joldes, G., Loukopoulos, V. C., Tavner, A., Wittek, A. & Miller, K., 3 Sep 2019, In : Fluids. p. 1-32

Research output: Contribution to journalArticle

Open Access
Navier Stokes equations
Geometry
Computational efficiency
Vorticity
Ducts

Biomechanical modeling and computer simulation of the brain during neurosurgery

Miller, K., Joldes, G. R., Bourantas, G., Warfield, S. K., Hyde, D. E., Kikinis, R. & Wittek, A., 10 Aug 2019, In : International Journal for Numerical Methods in Biomedical Engineering. 24 p., e3250.

Research output: Contribution to journalReview article

Neurosurgery
Computer Simulation
Modeling and Simulation
Brain
Continuum mechanics
Large Strain
Meshless
Elastodynamics
Maximum Entropy
Entropy
Discrete Element Method
Mechanical Behavior
Efficient Solution
Finite difference method
Tissue

Meshless Method for Simulation of Needle Insertion into Soft Tissues: Preliminary Results

Wittek, A., Bourantas, G., Joldes, G., Khau, A., Mountris, K., Singh, S. & Miller, K., 14 Aug 2019, Computational Biomechanics for Medicine: Personalisation, Validation and Therapy. Nash, M., Nielsen, P., Wittek, A., Miller, K. & Joldes, G. (eds.). 1 ed. Switzerland: Springer International Publishing, Vol. 10. p. 73-86 14 p.

Research output: Chapter in Book/Conference paperChapter

Needles
Tissue
Computational mechanics
Biomechanics
Kinematics
1 Citation (Scopus)

Suite of meshless algorithms for accurate computation of soft tissue deformation for surgical simulation

Joldes, G., Bourantas, G., Zwick, B., Chowdhury, H., Wittek, A., Agrawal, S., Mountris, K., Hyde, D., Warfield, S. K. & Miller, K., 1 Aug 2019, In : Medical Image Analysis. 56, p. 152-171 20 p.

Research output: Contribution to journalArticle

Tissue
Boundary conditions
ABAQUS
Galerkin methods
Surgery
2018

A discrete element method for modelling cell mechanics: Application to the simulation of chondrocyte behavior in the growth plate

Joldes, G. R., Bourantas, G. C., Wittek, A., Miller, K., Smith, D. W. & Gardiner, B. S., 14 May 2018, Computational Biomechanics for Medicine: Measurements, Models, and Predictions. Nielsen, P. M. F., Wittek, A., Miller, K., Doyle, B., Joldes, G. R. & Nash, M. P. (eds.). Switzerland: Springer International Publishing AG, p. 93-103 11 p.

Research output: Chapter in Book/Conference paperChapter

Growth Plate
Chondrocytes
Mechanics
Finite difference method
Mechanical Phenomena
26 Downloads (Pure)

A flux-conservative finite difference scheme for the numerical solution of the nonlinear bioheat equation

Bourantas, G. C., Joldes, G. R., Wittek, A. & Miller, K., 14 May 2018, Computational Biomechanics for Medicine: Measurements, Models, and Predictions. Nielsen, P. M. F., Wittek, A., Miller, K., Doyle, B., Joldes, G. R. & Nash, M. P. (eds.). Springer International Publishing AG, p. 69-81 13 p.

Research output: Chapter in Book/Conference paperConference paper

Open Access
File
Nonlinear equations
nonlinear equations
Tissue
Fluxes
Finite difference method

A simple method of incorporating the effect of the Uniform Stress Hypothesis in arterial wall stress computations

Joldes, G., Noble, C., Polzer, S., Taylor, Z., Wittek, A. & Miller, K., 1 Jul 2018, In : Acta of Bioengineering and Biomechanics. 20, 3, p. 59-67 9 p.

Research output: Contribution to journalArticle

Stress concentration
Residual stresses
Iterative methods
Processing
Research

Computational biomechanics for medicine: Measurements, models, and predictions

Nielsen, P. M. F. (ed.), Wittek, A. (ed.), Miller, K. (ed.), Doyle, B. (ed.), Joldes, G. R. (ed.) & Nash, M. P. (ed.), 14 May 2018, Switzerland: Springer International Publishing AG. 166 p.

Research output: Book/ReportBook

biodynamics
Biomechanics
medicine
Biomechanical Phenomena
Medicine
3 Citations (Scopus)
Open Access
engineering
Monitoring
monitoring
geotechnical engineering
solid mechanics

Maximum principal AAA wall stress is proportional to wall thickness

Miller, K., Joldes, G. R., Qian, J., Patel, A. P., Jung, M. S., Tavner, A. C. R. & Wittek, A., 14 May 2018, Computational Biomechanics for Medicine: Measurements, Models, and Predictions. Nielsen, P. M. F., Miller, K., Joldes, G. R., Wittek, A., Doyle, B. & Nash, M. P. (eds.). Switzerland: Springer International Publishing AG, p. 43-53 11 p.

Research output: Chapter in Book/Conference paperChapter

Abdominal Aortic Aneurysm
Rupture
Asymptomatic Diseases
Biomechanical Phenomena
biodynamics

Preface

Nielsen, P. M. F., Wittek, A., Miller, K., Doyle, B., Joldes, G. R. & Nash, M. P., 14 May 2018, Computational Biomechanics for Medicine: Measurements, Models, and Predictions. Springer International Publishing AG, p. v-vi

Research output: Chapter in Book/Conference paperForeword/postscript

3 Citations (Scopus)

Strong-form approach to elasticity: Hybrid finite difference-meshless collocation method (FDMCM)

Bourantas, G. C., Mountris, K. A., Loukopoulos, V. C., Lavier, L., Joldes, G. R., Wittek, A. & Miller, K., 1 May 2018, In : Applied Mathematical Modelling. 57, p. 316-338 23 p.

Research output: Contribution to journalArticle

Meshless Method
Collocation Method
Elasticity
Finite Difference
Derivatives
2017
8 Citations (Scopus)
35 Downloads (Pure)

A new method for essential boundary conditions imposition in explicit meshless methods

Joldes, G. R., Chowdhury, H., Wittek, A. & Miller, K., 1 Jul 2017, In : Engineering Analysis with Boundary Elements. 80, p. 94-104 11 p.

Research output: Contribution to journalArticle

Open Access
File
Meshless Method
Explicit Methods
Boundary conditions
Element-free Galerkin
Explicit Time Integration
39 Downloads (Pure)

An implicit potential method along with a meshless technique for incompressible fluid flows for regular and irregular geometries in 2D and 3D

Bourantas, G. C., Loukopoulos, V. C., Chowdhury, H. A., Joldes, G. R., Miller, K. & Bordas, S. P. A., 1 Apr 2017, In : Engineering Analysis with Boundary Elements. 77, p. 0 15 p.

Research output: Contribution to journalArticle

Open Access
File
Meshless
Incompressible Flow
Incompressible Fluid
Fluid Flow
Irregular
8 Citations (Scopus)

BioPARR: A software system for estimating the rupture potential index for abdominal aortic aneurysms

Joldes, G. R., Miller, K., Wittek, A., Forsythe, R. O., Newby, D. E. & Doyle, B. J., 5 Jul 2017, In : Scientific Reports. 7, 1, 15 p., 4641.

Research output: Contribution to journalArticle

Open Access
Abdominal Aortic Aneurysm
Biomechanical Phenomena
Aneurysm
Rupture
Software
biodynamics
Biomechanics
medicine
Biomechanical Phenomena
Medicine
2 Citations (Scopus)
119 Downloads (Pure)
Open Access
File
Galerkin methods
Elasticity
Mechanics
Boundary value problems
Tissue

Strong and weak form meshless methods in computational biomechanics

Bourantas, G., Joldes, G., Wittek, A. & Miller, K., 6 Oct 2017, Numerical Methods and Advanced Simulation in Biomechanics and Biological Processes. Cerrolaza, M., Shefelbine, S. J. & Garzon-Alvarado, D. (eds.). Academic Press, p. 325 339 p.

Research output: Chapter in Book/Conference paperChapter

biomechanics
numerical method
method
finite volume method
astrophysics
2016
6 Citations (Scopus)
140 Downloads (Pure)

An Element Free Galerkin Method Based on the Modified Moving Least Squares Approximation

Chowdhury, H. A., Wittek, A., Miller, K. & Joldes, G. R., 28 Dec 2016, In : Journal of Scientific Computing. Dec 2016, p. 1197-1211 15 p.

Research output: Contribution to journalArticle

Open Access
File
Least squares approximations
Moving Least-squares Approximation
Element-free Galerkin Method
Moving Least Squares
Galerkin methods
39 Citations (Scopus)
126 Downloads (Pure)
Open Access
File
Biomechanics
Information use
Blood pressure
Magnetic resonance
Tomography
11 Citations (Scopus)
133 Downloads (Pure)
Open Access
File
1 Citation (Scopus)

Computational Biomechanics for Medicine: Imaging, Modeling and Computing

Doyle, B., Wittek, A., Miller, K., Nielsen, P. M. F. & Joldes, G., 2016, Switzerland: Springer International Publishing. 109 p.

Research output: Book/ReportEdited book/Anthology

6 Citations (Scopus)
172 Downloads (Pure)

Controlling seepage in discrete particle simulations of biological systems

Gardiner, B. S., Joldes, G. R., Wong, K., Tan, C. W. & Smith, D., 17 Aug 2016, In : Computer Methods in Biomechanics and Biomedical Engineering. 19, 11, p. 1160-1170

Research output: Contribution to journalArticle

Open Access
File
Seepage
Biological systems
Membranes
Particle Size
Stiffness
21 Citations (Scopus)
213 Downloads (Pure)
Open Access
File
Biomechanics
Biomedical engineering
Engineering technology
Partial differential equations
Materials properties
1 Citation (Scopus)

Fuzzy tissue classification for non-linear patient-specific biomechanical models for whole-body image registration

Li, M., Wittek, A., Joldes, G. R. & Miller, K., 2016, Computational Biomechanics for Medicine: Imaging, Modeling and Computing. Joldes, G. R., Doyle, B., Wittek, A., Nielsen, P. M. F. & Miller, K. (eds.). Switzerland: Springer International Publishing, p. 85-96

Research output: Chapter in Book/Conference paperChapter

Image registration
Tissue
Materials properties
Computational mechanics
Image segmentation
1 Citation (Scopus)

Modelling the presence of diffuse axonal injury in primary phase blast-induced traumatic brain injury

Sinclair, M., Wittek, A., Doyle, B., Miller, K. & Joldes, G. R., 1 Jan 2016, Computational Biomechanics for Medicine: Imaging, Modeling and Computing. Joldes, G. R., Doyle, B., Wittek, A., Nielsen, P. M. F. & Miller, K. (eds.). Springer International Publishing, p. 195-203 9 p.

Research output: Chapter in Book/Conference paperChapter

Diffuse Axonal Injury
brain damage
Blast Crisis
blasts
Brain
6 Citations (Scopus)
Rib Fractures
Ribs
Thoracic Injuries
Thorax
Traffic Accidents
3 Citations (Scopus)

On the appropriateness of modelling brain parenchyma as a biphasic continuum

Tavner, A., Roy, T. D., Hor, K. W. W., Majimbi, M., Joldes, G., Wittek, A., Bunt, S. & Miller, K., Aug 2016, In : Journal of The Mechanical Behavior of Biomedical Materials. 61, p. 511-518

Research output: Contribution to journalArticle

Brain
Hydraulic conductivity
Tissue
Cerebrospinal fluid
Computational methods
3 Citations (Scopus)

Traumatic Brain Injury: An Investigation Into Shear Waves Interference Effects

Joldes, G. R., Lanzara, A. L., Wittek, A., Doyle, B. & Miller, K. S., 2016, Computational Biomechanics for Medicine: Imaging, Modeling and Computing. Joldes, G. R., Doyle, B., Wittek, A., Nielsen, P. M. F. & Miller, K. (eds.). Switzerland: Springer, p. 177-186 10 p.

Research output: Chapter in Book/Conference paperChapter

2015
18 Citations (Scopus)
143 Downloads (Pure)
Open Access
File
Element-free Galerkin Method
Elliptic Boundary Value Problems
Galerkin methods
Numerical integration
Boundary value problems

A meshless method based on the modified moving least squares for computing soft tissue deformation

Chowdhury, H. A., Joldes, G., Wittek, A., Doyle, B., Pasternak, E. & Miller, K., 2015, CMBE 2015 Proceedings. Swansea, United Kingdom: CMBE, Vol. N/A. p. 328-331

Research output: Chapter in Book/Conference paperConference paper

Blood pressure
Geometry
Materials properties
Finite element method
8 Citations (Scopus)
130 Downloads (Pure)
Open Access
File
Finite Elasticity
Parameterization
Elasticity
Reparameterization
Configuration

Computation of Wall Stress in Abdominal Aortic Aneurysms

Joldes, G. R., Miller, K., Wittek, A. & Doyle, B., 2015.

Research output: Contribution to conferenceAbstract

Blood pressure
Geometry
Materials properties
Finite element method
15 Citations (Scopus)

Discrete Element Framework for Modelling Extracellular Matrix, Deformable Cells and Subcellular Components

Gardiner, B. S., Wong, K., Joldes, G., Rich, A., Tan, C. W., Burgess, A. W. & Smith, D., 9 Oct 2015, In : PLoS Computational Biology. 11, 10, p. 1-23 23 p., e1004544.

Research output: Contribution to journalArticle

Open Access
Discrete Elements
Cellular Structures
extracellular matrix
Extracellular Matrix
Tissue
2 Citations (Scopus)
122 Downloads (Pure)
Open Access
File
Visibility
Triangular
Triangle
Discontinuity
Mesh
8 Citations (Scopus)

Implementation of a Modified Moving Least Squares Approximation for Predicting Soft Tissue Deformation Using a Meshless Model

Chowdhury, H. A., Joldes, G., Wittek, A., Doyle, B., Pasternak, E. & Miller, K., 2015, Computational Biomechanics for Medicine: New Approaches and New Applications. Doyle, B., Miller, K. S., Wittek, A. & Nielsen, P. M. F. (eds.). New York: Springer, Vol. Sixth. p. 59-71 (Computational Biomechanics for Medicine).

Research output: Chapter in Book/Conference paperChapter

Least squares approximations
Tissue
Interpolation
ABAQUS
Brain

Mechanical properties of the brain–skull interface in compression

Agrawal, S., Wittek, A., Joldes, G., Bunt, S. & Miller, K., 2015, Computational Biomechanics for Medicine: New Approaches and New Applications. Doyle, B. J., Miller, K., Wittek, A. & Nielsen, P. M. F. (eds.). Switzerland: Springer International Publishing, p. 83-92

Research output: Chapter in Book/Conference paperChapter

20 Citations (Scopus)
169 Downloads (Pure)

Modified moving least squares with polynomial bases for scattered data approximation

Joldes, G., Chowdhury, H., Wittek, A., Doyle, B. & Miller, K., 1 Sep 2015, In : Applied Mathematics and Computation. 266, p. 893-902

Research output: Contribution to journalArticle

Open Access
File
Scattered Data Approximation
Moving Least Squares
Polynomial Basis
Basis Functions
Polynomials
3 Citations (Scopus)

Numerical algorithm for simulation of soft tissue swelling and shrinking in a total Lagrangian explicit dynamics framework

Zwick, B., Joldes, G., Wittek, A. & Miller, K., 2015, Computational Biomechanics for Medicine: New Approaches and New Applications. Doyle, B. J., Miller, K., Wittek, A. & Nielsen, P. M. F. (eds.). 1 ed. Switzerland: Springer International Publishing, p. 37-46

Research output: Chapter in Book/Conference paperChapter

1 Citation (Scopus)

Numerical simulation of anisotropic tissue growth using a total Lagrangian formulation

Joldes, G. & Zwick, B., Jan 2015, In : Mathematical Problems in Engineering. 2015, p. 1-5 5 p., 674639.

Research output: Contribution to journalArticle

Open Access
Tissue
Numerical Simulation
Formulation
Computer simulation
Mechanical Stress
13 Citations (Scopus)
202 Downloads (Pure)

Patient-specific Biomechanical Model as Whole-Body CT Image Registration Tool

Li, M., Miller, K., Joldes, G., Doyle, B., Garlapati, R. R., Kikinis, R. & Wittek, A., May 2015, In : Medical Image Analysis. 22, 1, p. 22-34

Research output: Contribution to journalArticle

Open Access
File
Image registration
Tomography
Tissue
Spine
Aortic Diseases
4 Citations (Scopus)
66 Downloads (Pure)

Towards measuring neuroimage misalignment

Garlapati, R., Mostayed, A., Joldes, G., Wittek, A., Doyle, B. & Miller, K., 1 Sep 2015, In : Computers in Biology and Medicine. 64, p. 12-23

Research output: Contribution to journalArticle

Open Access
File
Brain
Entropy
Navigation
2014
42 Citations (Scopus)
328 Downloads (Pure)
Open Access
File
Meshfree
Soft Tissue
Tissue
Shape Function
Three-dimensional
26 Citations (Scopus)
392 Downloads (Pure)

Meshless algorithm for soft tissue cutting in surgical simulation

Jin, X., Joldes, G., Miller, K., Yang, K. H. & Wittek, A., May 2014, In : Computer Methods in Biomechanics and Biomedical Engineering. 17, 7, p. 800-811

Research output: Contribution to journalArticle

Open Access
File
Tissue
Visibility
Surgery
Computer-Assisted Surgery
Finite element method
2 Citations (Scopus)

Modeling Three-Dimensional Avascular Tumor Growth Using Lattice Gas Cellular Automata

Shrestha, S. M. B., Joldes, G., Wittek, A. & Miller, K., 2014, Computational Biomechanics for Medicine: Fundamental Science and Patient-Specific Applications. Doyle, B. J., Miller, K., Wittek, A. & Nielson, P. M. F. (eds.). New York: Springer, p. 15-26

Research output: Chapter in Book/Conference paperChapter