Search Results - "Heisserer, Ulrich"
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The sensitivity of the tensile properties of PMMA, Kevlar® and Dyneema® to temperature and strain rate
Published in Polymer (Guilford) (26-05-2021)“…We employed a new test technique to measure the tensile response of PMMA, Kevlar® and Dyneema® products at strain rates ranging from 10−4 to 323 s−1. We then…”
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Modeling and Experiments on Ballistic Impact into UHMWPE Yarns Using Flat and Saddle-Nosed Projectiles
Published in Fibers (01-03-2017)“…Yarn shooting experiments were conducted to determine the ballistically-relevant, Young’s modulus and tensile strength of ultra-high molecular weight…”
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Transitioning a unidirectional composite computer model from mesoscale to continuum
Published in EPJ Web of Conferences (01-01-2015)“…Ballistic impact on composites has been a challenging problem as seen in the abundant literature about the subject. Continuum models usually cannot properly…”
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Finite element modelling of Dyneema® composites: From quasi-static rates to ballistic impact
Published in Composites. Part A, Applied science and manufacturing (01-12-2018)“…A finite element methodology to predict the behaviour of Dyneema® HB26 fibre composites at quasi-static rates of deformation, under low velocity drop weight…”
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A non-linear orthotropic hydrocode model for ultra-high molecular weight polyethylene in impact simulations
Published in International journal of impact engineering (01-01-2015)“…This paper presents detailed experimental characterization of quasi-static anisotropic directional strength properties as well as the shock behavior of…”
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Strategic positioning of carbon fiber layers in an UHMwPE ballistic hybrid composite panel
Published in International journal of impact engineering (01-07-2019)“…•Significant 30% reduction in back-face signature for the front-facing carbon / UHMwPE hybrid composite panel, post ballistic testing.•A more than two times…”
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Effect of consolidation pressure on the impact behavior of UHMWPE composites
Published in Composites. Part B, Engineering (15-08-2018)“…For the first time, the influence of the manufacturing process on the dynamic performance of ultra-high molecular weight polyethylene (UHMWPE, Dyneema® HB26)…”
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Unique Synergy for Low Velocity Impact Deformation Reduction in Dyneema®-Carbon Intraply-Interlayer Hybrid Composite Panel
Published in Applied composite materials (01-04-2023)“…This work studies the synergies arising from the unique intraply-interlayer dual hybridization of unidirectional cross-ply Ultra-High Molecular Weight…”
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Modeling unidirectional composites by bundling fibers into strips with experimental determination of shear and compression properties at high pressures
Published in Composites science and technology (12-09-2014)“…Numerical models of unidirectional panels of ultra-high-molecular weight polyethylene (UHMWPE), like Dyneema® HB80 or Spectra®, have been a difficult…”
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p-FEM for finite deformation powder compaction
Published in Computer methods in applied mechanics and engineering (15-01-2008)“…The simulation of powder compaction problems (die-compaction and cold isostatic pressing) is considered herein by an implicit high-order (p-version) finite…”
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Axisymmetric pressure boundary loading for finite deformation analysis using p-FEM
Published in Computer methods in applied mechanics and engineering (01-01-2007)“…Follower loads, i.e. loads which depend on the boundary displacements by definition, frequently occur in finite deformation boundary-value problems…”
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Follower loads for high order finite elements
Published in Proceedings in applied mathematics and mechanics (01-12-2005)“…Finite element modelling of hydrostatic compaction where the applied pressure acts normal to the deformed surface requires a geometric nonlinear formulation…”
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13
On volumetric locking-free behaviour of p-version finite elements under finite deformations
Published in Communications in numerical methods in engineering (01-11-2008)“…We demonstrate the locking‐free properties of the displacement formulation of p‐finite elements when applied to nearly incompressible Neo‐Hookean material…”
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Journal Article