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Dynamic relaxation is a numerical method, which, among other things, can be used to do "" for cable and fabric structures. The aim is to find a geometry where all forces are in equilibrium. In the past this was done by direct modelling, using hanging chains and weights (see Gaudi), or by using soap films, which have the property of adjusting to find a "minimal surface".

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  • Dynamic relaxation is a numerical method, which, among other things, can be used to do "" for cable and fabric structures. The aim is to find a geometry where all forces are in equilibrium. In the past this was done by direct modelling, using hanging chains and weights (see Gaudi), or by using soap films, which have the property of adjusting to find a "minimal surface". The dynamic relaxation method is based on discretizing the continuum under consideration by lumping the mass at nodes and defining the relationship between nodes in terms of stiffness (see also the finite element method). The system oscillates about the equilibrium position under the influence of loads. An iterative process is followed by simulating a pseudo-dynamic process in time, with each iteration based on an update of the geometry, similar to Leapfrog integration and related to Velocity Verlet integration. (en)
  • En mécanique des structures, la relaxation dynamique est une technique de modélisation informatique utilisée pour la recherche de forme (processus dit de form-finding) des structures souples (câbles et nappes). La méthode de relaxation dynamique est basée sur un continuum discrétisé dans lequel on suppose la masse du système répartie a des nœuds donnés. Le système oscille autour de la position d'équilibre sous l'influence du chargement. Le processus itératif est réalisé en simulant un comportement pseudo-dynamique dans le temps. (fr)
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  • En mécanique des structures, la relaxation dynamique est une technique de modélisation informatique utilisée pour la recherche de forme (processus dit de form-finding) des structures souples (câbles et nappes). La méthode de relaxation dynamique est basée sur un continuum discrétisé dans lequel on suppose la masse du système répartie a des nœuds donnés. Le système oscille autour de la position d'équilibre sous l'influence du chargement. Le processus itératif est réalisé en simulant un comportement pseudo-dynamique dans le temps. (fr)
  • Dynamic relaxation is a numerical method, which, among other things, can be used to do "" for cable and fabric structures. The aim is to find a geometry where all forces are in equilibrium. In the past this was done by direct modelling, using hanging chains and weights (see Gaudi), or by using soap films, which have the property of adjusting to find a "minimal surface". (en)
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  • Dynamic relaxation (en)
  • Relaxation dynamique (fr)
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