64 citations · 218 across the 13 of their papers we have counts for
14 papers
Soft Pneumatic Grippers: Topology optimization, 3D-printing and Experimental validation
Prabhat Kumar, Chandra Prakash, Josh Pinskier +2
Typically, heuristic/trial-based approaches are used to design soft pneumatic grippers (SPGs). This paper presents a systematic topology optimization framework for developing SPGs.…
Dissipation Dilution-Driven Topology Optimization for Maximizing the Factor of Nanomechanical Resonators
Hendrik J. Algra, Zichao Li, Matthijs Langelaar +2
The quality factor ( factor) of nanomechanical resonators is influenced by geometry and stress, a phenomenon called dissipation dilution. Studies have explored maximizing this e…
Topology optimization of fluidic pressure-driven multi-material compliant mechanisms
Prabhat Kumar, Josh Pinskier, David Howard +1
Compliant mechanisms actuated by pneumatic loads are receiving increasing attention due to their direct applicability as soft robots that perform tasks using their flexible bodies.…
Automated design of pneumatic soft grippers through design-dependent multi-material topology optimization
Josh Pinskier, Prabhat Kumar, Matthijs Langelaar +1
Soft robotic grasping has rapidly spread through the academic robotics community in recent years and pushed into industrial applications. At the same time, multimaterial 3D printin…
Efficient computation of states and sensitivities for compound structural optimisation problems using a Linear Dependency Aware Solver (LDAS)
Stijn Koppen, Max van der Kolk, Sanne van den Boom +1
Real-world structural optimisation problems involve multiple loading conditions and design constraints, with responses typically depending on states of discretised governing equati…
A simple and versatile topology optimization formulation for flexure synthesis
Stijn Koppen, Matthijs Langelaar, Fred van Keulen
High-tech equipment critically relies on flexures for precise manipulation and measurement. Through elastic deformation, flexures offer extreme position repeatability within a limi…
Efficient multi-partition topology optimization
Stijn Koppen, Matthijs Langelaar, Fred van Keulen
In topology optimization, the state of structures is typically obtained by numerically evaluating a discretized PDE-based model. The degrees of freedom of such a model can be parti…
Topological synthesis of fluidic pressure-actuated robust compliant mechanisms
Prabhat Kumar, Matthijs Langelaar
This paper presents a robust density-based topology optimization approach for synthesizing pressure-actuated compliant mechanisms. To ensure functionality under manufacturing inacc…
Topology Optimization for Large-Scale Additive Manufacturing: Generating designs tailored to the deposition nozzle size
Eduardo Fernández, Can Ayas, Matthijs Langelaar +1
Additive Manufacturing (AM) processes intended for large scale components deposit large volumes of material to shorten process duration. This reduces the resolution of the AM proce…
On topology optimization of design-dependent pressure-loaded three-dimensional structures and compliant mechanisms
Prabhat Kumar, Matthijs Langelaar
This paper presents a density-based topology optimization method for designing three-dimensional (3D) compliant mechanisms and loadbearing structures with design-dependent pressure…
Automated and Accurate Geometry Extraction and Shape Optimization of 3D Topology Optimization Results
Marco K. Swierstra, Deepak K. Gupta, Matthijs Langelaar
Designs generated by density-based topology optimization (TO) exhibit jagged and/or smeared boundaries, which forms an obstacle to their integration with existing CAD tools. Addres…
Topology Optimization of Fluidic Pressure Loaded Structures and Compliant Mechanisms using the Darcy Method
Prabhat Kumar, Jan S. Frouws, Matthijs Langelaar
In various applications, design problems involving structures and compliant mechanisms experience fluidic pressure loads. During topology optimization of such design problems, thes…
Design and analysis adaptivity in multi-resolution topology optimization
Deepak K. Gupta, Fred van Keulen, Matthijs Langelaar
Multiresolution topology optimization (MTO) methods involve decoupling of the design and analysis discretizations, such that a high-resolution design can be obtained at relatively…
Compliant Fluidic Control Structures: Concept and Synthesis Approach
Prabhat Kumar, Paola Fanzio, Luigi Sasso +1
The concept and synthesis approach for planar Compliant Fluidic Control Structures (CFCSs), monolithic flexible continua with embedded functional pores, is presented in this manusc…