Pure-displacement formulation and bulk modulus propagation for topology optimization with pressure loads

E Moscatelli, LFN Sá, H Emmendoerfer Jr… - Computer Methods in …, 2023 - Elsevier
This work proposes a pure-displacement formulation for topology optimization with pressure
loads and the use of a continuous boundary propagation technique. This technique allows …

SoRoTop: a hitchhiker's guide to topology optimization MATLAB code for design-dependent pneumatic-driven soft robots

P Kumar - Optimization and Engineering, 2023 - Springer
Demands for pneumatic-driven soft robots are constantly rising for various applications.
However, they are often designed manually due to the lack of systematic methods …

Towards topology optimization of pressure-driven soft robots

P Kumar - Conference on Microactuators and Micromechanisms, 2022 - Springer
Soft robots are made of compliant materials that perform their tasks by deriving motion from
elastic deformations. They are used in various applications, eg, for handling fragile objects …

Topology optimization of pressure-loaded multi-material structures

P Kumar - Structural Integrity Conference and Exhibition, 2022 - Springer
Permitting multiple materials within a topology optimization setting increases the search
space of the technique, which facilitates obtaining relatively high-performing and efficient …

Topology and orientation optimization of multi-material hinge-free composite compliant mechanisms under multiple design-dependent loadings

Y Lu, L Tong - Structural and Multidisciplinary Optimization, 2024 - Springer
Compliant mechanisms with multiple input loads and output ports are commonly applied in
micro-electromechanical systems (MEMS), while compliant mechanisms under design …

Stress-constrained volume minimization of structures undergoing design-dependent surface limit loads

GL Garcez, R Pavanello - Mechanics of Advanced Materials and …, 2024 - Taylor & Francis
The work aims to propose a topological optimization based on stress-constrained volume
minimization of structures undergoing design-dependent surface limit loads by adapting the …

TOPress3D: 3D topology optimization with design-dependent pressure loads in MATLAB

P Kumar - arXiv preprint arXiv:2405.07733, 2024 - arxiv.org
This paper introduces``TOPress3D," a 3D topology optimization MATLAB code for structures
subjected to design-dependent pressure loads. With a primary focus on pedagogical …

PyTOaCNN: Topology optimization using an adaptive convolutional neural network in Python

KS Chadha, P Kumar - arXiv preprint arXiv:2404.12244, 2024 - arxiv.org
This paper introduces an adaptive convolutional neural network (CNN) architecture capable
of automating various topology optimization (TO) problems with diverse underlying physics …

考虑最小尺寸控制的压力驱动柔顺机构拓扑优化设计

占金青, 蒲圣鑫, 王啸, 刘敏 - 计算机集成制造系统, 2024 - cims-journal.cn
拓扑优化设计的压力驱动柔顺机构拓扑构型容易出现类铰链结构, 导致难以制造加工.
为了满足制造工艺要求, 提出一种考虑最小尺寸控制的压力驱动柔顺机构拓扑优化设计方法 …

Topology optimization of fluidic pressure-driven multi-material compliant mechanisms

P Kumar, J Pinskier, D Howard… - … and Information in …, 2023 - asmedigitalcollection.asme.org
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. Using …