Level set based method for design of compliant mechanisms
نویسندگان
چکیده
In the context of structural optimization, we propose two natural extensions of the level set method for the design of compliant mechanisms. Two new objective functions are introduced, well suited to the automatic design of compliant mechanisms, and a strategy for the design of mechanisms adapted to multiple loads is proposed. This work is illustrated with several numericals examples. RÉSUMÉ. Dans le cadre de l’optimisation de structures élastiques, nous proposons deux extensions naturelles de la méthode des lignes de niveaux qui peuvent s’avérer utiles aux concepteurs de micro-mécanismes. Nous introduisons une nouvelle fonction-coût, inspirée d’un critère d’optimisation largement utilisé dans le domaine de la conception de mécanismes, ainsi qu’une stratégie pour traiter le cas de mécanismes adaptés à plusieurs chargements (multichargement). Ce travail est illustré de quelques exemples numériques.
منابع مشابه
Large Deflection Analysis of Compliant Beams of Variable Thickness and Non-Homogenous Material under Combined Load and Multiple Boundary Conditions
This paper studies a new approach to analyze the large deflection behavior of prismatic and non-prismatic beams of non-homogenous material under combined load and multiple boundary conditions. The mathematical formulation has been derived which led to a set of six first-order ordinary differential equations. The geometric nonlinearity was solved numerically using the multiple shooting method co...
متن کاملLinkage factors optimization of Multi-outputs of compliant mechanism using Response Surface
This paper presents a linkage factors synthesis and multi-level optimization technique for bi-stable compliant mechanism. The linkage synthesis problem is modeled as multiple level factors and responses optimization problem with constraints. The bi-stable compliant mechanism is modeled as a crank slider mechanism using pseudo-rigid-body model (PRBM). The model exerts the large deflection of fle...
متن کاملShape and Topology Optimization for Compliant Mechanisms Using Level Set- Based Parameterization Method
A new parameterization approach 1 for optimal synthesis of compliant mechanisms using level set-based shape and topology optimization approach is presented in this work. The structural free design boundary is implicitly represented by embedding into a higher-dimensional scalar function as its zero level set. The compactly supported radial basis function with a favourable smoothness is introduce...
متن کاملA Novel Analytical Model for Flexure-Based Compliant Proportion Mechanisms
This paper proposes a novel analytical model for flexure-based proportion compliant mechanisms. The displacement and stiffness calculations of such flexure-based compliant mechanisms are formulated based on the principle of virtual work and pseudo rigid body model(PRBM). According to the theory and method, a set of closed-form equations are deduced in this paper, which incorporate the stiffness...
متن کاملطراحی گرین فینوسیل بر اساس متامدلهای شبکه عصبی مصنوعی
Grain design is the most important part of solid rocket motor design. In this paper the goal is Finocyl grain design based on predetermined objective function with respect to Thrust history or Pressure history in order to satisfy various thrust performance requirements through an innovative design approach using Genetic algorithm optimization method. The classical sampling method is used for de...
متن کامل