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相关论文: Topology synthesis of a 3-kink contact-aided compl…

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This paper presents a topology optimization approach to design 2D contact-aided compliant mechanisms (CCMs) that can trace the desired output paths with more than one kink while experiencing self and/or external contacts. Such CCMs can be…

计算工程、金融与科学 · 计算机科学 2025-02-04 Prabhat Kumar , Roger A Sauer , Anupam Saxena

Topologies of large deformation Contact-aided Compliant Mechanisms (CCMs), with self and mutual contact, exemplified via path generation applications, are designed using the continuum synthesis approach. Design domains are parameterized…

计算工程、金融与科学 · 计算机科学 2018-10-24 Prabhat Kumar , Anupam Saxena , Roger A. Sauer

We synthesize monolithic topologies of constant output (CoFM) and input (CiFM) force mechanisms. During synthesis, we capture all possible aspects of member deformation including finite displacements, buckling, interaction between members,…

计算工程、金融与科学 · 计算机科学 2022-01-12 B V S Nagendra Reddy , Vitthal Manohar Khatik , Burkhard Corves , Anupam Saxena

In the present paper, an integrated paradigm for topology optimization on complex surfaces with arbitrary genus is proposed. The approach is constructed based on the two-dimensional (2D) Moving Morphable Component (MMC) framework, where a…

最优化与控制 · 数学 2022-02-03 Wendong Huo , Chang Liu , Zongliang Du , Xudong Jiang , Zhengyu Liu , Xu Guo

The synthesis of compliant mechanisms (CMs) is frequently achieved through topology optimization. Many synthesis approaches simplify implementation by assuming small distortions, but this limits their practical application since CMs…

最优化与控制 · 数学 2024-06-04 Stephanie Seltmann , Alexander Hasse

Contact-aware topology optimization faces challenges in robustness, accuracy, and applicability to internal structural surfaces under self-contact. This work builds on the recently proposed barrier-based Incremental Potential Contact (IPC)…

最优化与控制 · 数学 2022-08-26 Zeshun Zong , Xuan Li , Jianping Ye , Sian Wen , Yin Yang , Danny M. Kaufman , Minchen Li , Chenfanfu Jiang

A method evaluating the sensitivity of a given parameter to topological changes is proposed within the method of moments paradigm. The basis functions are used as degrees of freedom which, when compared to the classical pixeling technique,…

计算物理 · 物理学 2019-03-07 Miloslav Capek , Lukas Jelinek , Mats Gustafsson

A topology optimization approach for designing large deformation contact-aided shape morphing compliant mechanisms is presented. Such mechanisms can be used in varying operating conditions. Design domains are described by regular hexagonal…

计算工程、金融与科学 · 计算机科学 2020-10-23 Prabhat Kumar , Roger A. Sauer , Anupam Saxena

Wettability of a surface depends on both surface chemistry and topography. To move a three-phase contact line, a de-pinning force needs to be applied, which is of practical importance in various applications. However, a unified…

流体动力学 · 物理学 2024-10-08 Mahya Meyari , Camelia Dunare , Khellil Sefiane , Simon Titmuss , Job H. J. Thijssen

Inclusion of contact in mechanical designs opens a large range of design possibilities, this includes classical designs with contact, such as gears, couplings, switches, clamps etc. However, incorporation of contact in topology optimization…

计算工程、金融与科学 · 计算机科学 2023-05-12 Andreas Henrik Frederiksen , Ole Sigmund , Konstantinos Poulios

Topology optimization is used to systematically design contact-aided thermo-mechanical regulators, i.e. components whose effective thermal conductivity is tunable by mechanical deformation and contact. The thermo-mechanical interactions are…

计算工程、金融与科学 · 计算机科学 2024-06-04 Anna Dalklint , Joe Alexandersen , Andreas Henrik Frederiksen , Konstantinos Poulios , Ole Sigmund

The topological framework of circuit topology has recently been introduced to complement knot theory and to help in understanding the physics of molecular folding. Naturally evolved linear molecular chains, such as proteins and nucleic…

几何拓扑 · 数学 2021-09-07 Alireza Mashaghi , Roland van der Veen

Complex shapes are widely used to design products in several industries such as aeronautics, automotive and domestic appliances. Several variations of their curvatures and orientations generate difficulties during their manufacturing or the…

其他计算机科学 · 计算机科学 2012-07-03 Laurent Tapie , Kwamiwi Mawussi , Alain Bernard

Circuit topology generation plays a crucial role in the design of electronic circuits, influencing the fundamental functionality of the circuit. In this paper, we introduce CIRCUITSYNTH, a novel approach that harnesses LLMs to facilitate…

机器学习 · 计算机科学 2024-07-17 Prashanth Vijayaraghavan , Luyao Shi , Ehsan Degan , Xin Zhang

We present Cortex Synth, a novel end-to-end differentiable framework for joint 3D skeleton geometry and topology synthesis from single 2D images. Our architecture introduces three key innovations: (1) A hierarchical graph attention…

计算机视觉与模式识别 · 计算机科学 2025-09-09 Mohamed Zayaan S

We fully generalize a previously-developed computational geometry tool [1] to perform large-scale simulations of arbitrary two-dimensional faceted surfaces $z = h(x,y)$. Our method uses a three-component facet/edge/junction storage model,…

数学物理 · 物理学 2011-10-17 Scott A. Norris , Stephen J. Watson

This paper presents a robust density-based topology optimization approach for synthesizing pressure-actuated compliant mechanisms. To ensure functionality under manufacturing inaccuracies, the robust or three-field formulation is employed,…

计算工程、金融与科学 · 计算机科学 2023-04-13 Prabhat Kumar , Matthijs Langelaar

We describe the implementation of a topological constraint in finite element simulations of phase field models which ensures path-connectedness of preimages of intervals in the phase field variable. Two main applications of our method are…

数值分析 · 数学 2018-06-19 Patrick Dondl , Stephan Wojtowytsch

State-of-the-art approaches to footstep planning assume reduced-order dynamics when solving the combinatorial problem of selecting contact surfaces in real time. However, in exchange for computational efficiency, these approaches ignore…

机器人学 · 计算机科学 2023-08-01 Jaehyun Shim , Carlos Mastalli , Thomas Corbères , Steve Tonneau , Vladimir Ivan , Sethu Vijayakumar

3D shape creation and modeling remains a challenging task especially for novice users. Many methods in the field of computer graphics have been proposed to automate the often repetitive and precise operations needed during the modeling of…

图形学 · 计算机科学 2015-06-24 Ibraheem Alhashim
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