Discontinuous deformation analysis handling vertex‐vertex contact based on principle of least effort
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DOI: 10.1002/nme.6427
Abstract: This study establishes an innovative discontinuous deformation analysis by solving the problem of frictional and cohesive contact using an implicit cone complementary formulation. In order to handle singularity associated with the vertex‐vertex contact, resistances to… read more here.
Keywords: vertex; vertex vertex; vertex contact; contact ... See more keywords
Novel displacement function for discontinuous deformation analysis based on mean value coordinates
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DOI: 10.1002/nme.6491
Abstract: The rotation degree of freedom in discontinuous deformation analysis (DDA) may cause false volume expansion when a block undergoes a large rotation. We propose a block displacement function to prevent this defect. Specifically, the degrees… read more here.
Keywords: analysis; displacement function; displacement; deformation analysis ... See more keywords
Large deformation analysis in the context of 3D compressible nonlinear elasticity using the VDQ method
Sign Up to like & getrecommendations! Published in 2020 at "Engineering with Computers"
DOI: 10.1007/s00366-020-00959-3
Abstract: In this article, a new solution approach is developed to numerically compute large deformations of 3D hyperelastic solids based on the compressible nonlinear elasticity. The governing equations are derived by the minimum total potential energy… read more here.
Keywords: compressible nonlinear; deformation analysis; nonlinear elasticity; analysis context ... See more keywords
CPU-accelerated explicit discontinuous deformation analysis and its application to landslide analysis
Sign Up to like & getrecommendations! Published in 2020 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2019.07.028
Abstract: Abstract An explicit discontinuous deformation analysis (DDA) that uses an explicit time integration procedure and an explicit calculation of interaction forces between blocks is proposed to overcome the limitations of conventional implicit DDA in simulating… read more here.
Keywords: dda; explicit dda; explicit discontinuous; discontinuous deformation ... See more keywords
Method of deformation analysis for composite structures of soils and masonry stones
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DOI: 10.1016/j.compgeo.2016.09.011
Abstract: Abstract The coupled numerical manifold method (NMM) and discontinuous deformation analysis (DDA) are enhanced to simulate deformations of continuous soil and discontinuous masonry structures. An elasto-plastic NMM-DDA is formulated that incorporates elasto-plastic constitutive laws into… read more here.
Keywords: method deformation; masonry; analysis composite; deformation analysis ... See more keywords
A full-stage parallel architecture of three-dimensional discontinuous deformation analysis using OpenMP
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DOI: 10.1016/j.compgeo.2019.103346
Abstract: Abstract It can be computationally expensive to conduct large-scale engineering computation using three-dimensional discontinuous deformation analysis (3-D DDA). Improving the efficiency of 3-D DDA is thus imperative, and an available approach is to incorporate parallelism… read more here.
Keywords: three dimensional; deformation analysis; full stage; dimensional discontinuous ... See more keywords
Nonlinear large deformation analysis of shells using the variational differential quadrature method based on the six-parameter shell theory
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Non-Linear Mechanics"
DOI: 10.1016/j.ijnonlinmec.2018.08.007
Abstract: Abstract The present work is concerned with the application of the variational differential quadrature (VDQ) method (Faghih Shojaei and Ansari, 2017), in the area of computational mechanics, to the nonlinear large deformation analysis of shell-type… read more here.
Keywords: deformation analysis; analysis shells; analysis; method ... See more keywords
A two-dimensional electro-beam model for large deformation analysis of dielectric polymer actuators
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Solids and Structures"
DOI: 10.1016/j.ijsolstr.2019.01.034
Abstract: Abstract The aim of this work is to develop a two-dimensional formulation for the large deformation analysis of dielectric polymer actuators under electrical loading. The kinematics of deformation is described as a Timoshenko beam enhanced… read more here.
Keywords: analysis dielectric; large deformation; deformation; beam ... See more keywords
Smartphone-based photogrammetric 3D modelling assessment by comparison with radiological medical imaging for cranial deformation analysis
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DOI: 10.1016/j.measurement.2018.08.059
Abstract: Abstract Cranial deformation in infants is a common problem in paediatric consultations. The most accurate medical diagnostic imaging methodologies are Computed Tomography (CT) and Magnetic Resonance Image (MRI). However, these radiological imaging technologies involve high… read more here.
Keywords: deformation analysis; smartphone based; based photogrammetric; cranial deformation ... See more keywords
Deformation analysis of geosynthetic-encased stone column-supported embankments using cavity expansion model
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DOI: 10.1080/19648189.2020.1775707
Abstract: This article presents an analytical solution to predict the deformation of geosynthetic-encased stone columns (GESCs) and the surrounding soil in GESC-supported embankments, taking into account the... read more here.
Keywords: supported embankments; geosynthetic encased; deformation analysis; encased stone ... See more keywords
Rapid deformation analysis in digital holographic interferometry using graphics processing unit accelerated Wigner-Ville distribution.
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DOI: 10.1364/ao.58.004420
Abstract: High-speed measurement of temporally varying displacement derivatives of a deformed object is an important and challenging problem in precision metrology. This paper proposes an approach for temporal deformation analysis using digital holographic interferometry, where a… read more here.
Keywords: digital holographic; holographic interferometry; deformation analysis;