Compression performances and failure maps of sandwich cylinders with pyramidal truss cores obtained through geometric mapping and snap-fit method

2019 ◽  
Vol 226 ◽  
pp. 111212
Author(s):  
Jiangtao Wang ◽  
Wenfeng Liu ◽  
Shuai Kang ◽  
Te Ma ◽  
Zhe Wang ◽  
...  
Keyword(s):  
Pyramidal Truss ◽  
Geometric Mapping

scholarly journals Inversion-free geometric mapping construction: A survey

2021 ◽  
Vol 7 (3) ◽  
pp. 289-318
Author(s):  
Xiao-Ming Fu ◽  
Jian-Ping Su ◽  
Zheng-Yu Zhao ◽  
Qing Fang ◽  
Chunyang Ye ◽  
...  
Keyword(s):  
Mesh Generation ◽  
Optimization Problem ◽  
Texture Mapping ◽  
Deformation Texture ◽  
Research Field ◽  
Combinatorial Problems ◽  
Open Problems ◽  
Nonlinear Constrained Optimization ◽  
Construction Methods ◽  
Geometric Mapping

AbstractA geometric mapping establishes a correspondence between two domains. Since no real object has zero or negative volume, such a mapping is required to be inversion-free. Computing inversion-free mappings is a fundamental task in numerous computer graphics and geometric processing applications, such as deformation, texture mapping, mesh generation, and others. This task is usually formulated as a non-convex, nonlinear, constrained optimization problem. Various methods have been developed to solve this optimization problem. As well as being inversion-free, different applications have various further requirements. We expand the discussion in two directions to (i) problems imposing specific constraints and (ii) combinatorial problems. This report provides a systematic overview of inversion-free mapping construction, a detailed discussion of the construction methods, including their strengths and weaknesses, and a description of open problems in this research field.

Cantilever sandwich beams with pyramidal truss cores subjected to tip impact

2012 ◽  
Vol 56 (1) ◽  
pp. 181-187 ◽  
Author(s):  
Hua Liu ◽  
Hu Liu ◽  
JiaLing Yang ◽  
ShouGen Zhao
Keyword(s):  
Sandwich Beams ◽  
Pyramidal Truss

Sound insulation performance of pyramidal truss core sandwich structure with frame

2021 ◽  
pp. 109963622110288
Author(s):  
Yu-Zhou Wang ◽  
Li Ma
Keyword(s):  
Mechanical Properties ◽  
Sandwich Structure ◽  
Transmission Loss ◽  
Low Frequency ◽  
Sound Insulation ◽  
Geometrical Parameters ◽  
Acoustic Performance ◽  
Truss Core ◽  
Pyramidal Truss ◽  
Wave Angle

Recently, sandwich structures have been widely used in different fields because of their good mechanical properties, but these structures are weak in acoustic performance. In this paper, by combining pyramidal truss core sandwich structure with frame, a new structure is proposed with both good mechanical properties and excellent acoustic performance at low frequency. An analytical model of the pyramidal truss core sandwich structure with frame is developed to investigate the sound transmission loss (STL) performance. Finite element method (FEM) is also used to investigate the STL performance at low frequency. The effects of the incident wave angle and the geometrical parameters on the STL of the structure are discussed.

Nonlinear oscillations and dynamic stability of an elastoplastic pyramidal truss

2019 ◽  
Vol 98 (4) ◽  
pp. 2847-2877 ◽  
Author(s):  
Murillo V. B. Santana ◽  
Paulo B. Gonçalves ◽  
Ricardo A. M. Silveira
Keyword(s):  
Dynamic Stability ◽  
Nonlinear Oscillations ◽  
Pyramidal Truss

A protocol for characterizing the structural performance of metallic sandwich panels: application to pyramidal truss cores

2004 ◽  
Vol 41 (22-23) ◽  
pp. 6249-6271 ◽  
Author(s):  
F.W. Zok ◽  
S.A. Waltner ◽  
Z. Wei ◽  
H.J. Rathbun ◽  
R.M. McMeeking ◽  
...  
Keyword(s):  
Sandwich Panels ◽  
Structural Performance ◽  
Pyramidal Truss

scholarly journals Geometric Mapping of Tasks to Processors on Parallel Computers with Mesh or Torus Networks

2019 ◽  
Vol 30 (9) ◽  
pp. 2018-2032 ◽  
Author(s):  
Mehmet Deveci ◽  
Karen D. Devine ◽  
Kevin Pedretti ◽  
Mark A. Taylor ◽  
Sivasankaran Rajamanickam ◽  
...  
Keyword(s):  
Parallel Computers ◽  
Geometric Mapping ◽  
Torus Networks
Sign in / Sign up

Export Citation Format

Share Document