With the release of PLAXIS 2D 2018, a new User Defined Soil Model for liquefaction analysis is introduced, the PM4Sand model (Boulanger & Ziotopoulou, 2017). The PM4Sand model is defined […]
The PM4Sand and PM4Silt models are stress-ratio controlled, critical state compatible, bounding surface plasticity models developed for geotechnical earthquake engineering applications.
A PhD-level course on hypoplastic constitutive modelling intended for both academia and practitioners.
Multilaminate constitutive models are based on the concept that the material behaviour can be formulated on a number of so-called integration planes with varying orientation. In addition to other features, the model predicts anisotropic soil stiffness at small strains.
Barodesy is a constitutive model for granular media and does not use standard notations of elasto-plasticity, e.g. yield function, flow rule or plastic potential.
SANISAND is an advanced elasto-plastic model based on a concept of rotational hardening incorporating the effects of fabric-dilatancy.
Sand hypoplastic model is an advanced incrementally non-linear constitutive model for sand, an outcome of an extensive research at Karlsruhe University in 1990's.
Clay hypoplasticity is an advanced incrementally non-linear constitutive model based on critical state soil mechanics developed specifically for simulation of fine-grained materials.
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SANISAND umat issue 18.9.2020
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SANISAND pile-soil-interaction ABAQUS 10.9.2020
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Abaqus user defined field 27.8.2020
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Hardening parameters (yield stress & absolute plastic strain) 24.8.2020
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Errors of sand hypoplastic model with Abaqus Vumat 17.8.2020
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Barodesy download package including small strain stiffness and strength reduction (UMAT and PLAXIS dll) 15.8.2020
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Question on the Matlab driver-hypoplastic models 8.8.2020
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Hypoplastic Interface Model: Does anybody implemented this model in FLAC3D 31.7.2020
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Question on implementation of sand hypoplastic model with Abaqus umat 28.7.2020
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General questions on implementation of sand hypoplasticity model with Abaqus umat 23.7.2020
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SANISAND 2008 model 23.7.2020
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Question on the Matlab driver – model hypo Sand 20.7.2020
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