Response of Poro-Elastic Seabed to a 3-D Wave System: A Finite Element Analysis

1996 ◽  
Vol 39 (2) ◽  
pp. 165-183 ◽  
Author(s):  
Yee-Shown Lin ◽  
Dong-Sheng Jeng
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Wave System ◽  
Element Analysis ◽  
System A ◽  
D Wave

The Finite Element Analysis and Optimization of Wave-Framebased on ANSYS

2013 ◽  
Vol 391 ◽  
pp. 168-171
Author(s):  
Shou Jun Wang ◽  
Li Bo Yang
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Factor Of Safety ◽  
Wave System ◽  
Element Analysis ◽  
The Finite Element Analysis ◽  
Negative Effect ◽  
Empirical Design

When it comes to the design of a wave-frame,empirical design is always adopted domestic,which is relatively conservative on stiffness and intensity and prefer a bigger factor of safety,thus these bring many uncertainties to the wave-frame.In order to reduce the negative effect to the wave system,the analysis of the wave-frame based on ANSYS is executed to have a knowledge of the weakness and the deformation of various parts.On the permise of ensuring the stiffness and intensity,with the method of grouping and using different profile steel,the purpose is to reduce the mass snd the negative effect brought by mass,and achieve the goal of optimization.

Applications of Multi-Point Mirror Supporting

2013 ◽  
Vol 475-476 ◽  
pp. 1555-1558
Author(s):  
Ren Shan Zhuo ◽  
Dong Ge Zhang
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Theoretical Studies ◽  
Design Requirement ◽  
Element Analysis ◽  
Primary Mirror ◽  
Supporting System ◽  
System A ◽  
Series Of Experiments ◽  
Supporting Structures

Primary mirror (PM) supporting system design is one of the key components to the design of a telescope. This paper presents applications of extended multi-point supporting structures that are employed in ground based theodolites, 3 points positioning-9 points supporting system and 18 points supporting system. A number of theoretical studies have been performed using Finite Element Analysis (FEA) on each supporting system, in which the extended multi-point supporting system to 0.6-m and 1-m diameter primary mirror is particularly focused. Analyzing Zerodur major mirrors with a diameter to thickness ratio less than 7.3, deformation due to supporting gives an RMS value less than 6-nm which is 24% of the design requirement of 60-nm. Series of experiments have also been conducted using 4-D interferometer. The deformation due to supporting of major mirror has been predominantly suppressed mainly by deformation during the fabrication process. This indicates that the above supporting systems perform an excellent task under given conditions.

Effect of the crown design and interface lute parameters on the stress-state of a machined crown–tooth system: A finite element analysis

2013 ◽  
Vol 29 (8) ◽  
pp. e123-e131 ◽  
Author(s):  
Shirin Shahrbaf ◽  
Richard vanNoort ◽  
Behnam Mirzakouchaki ◽  
Elaheh Ghassemieh ◽  
Nicolas Martin
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Stress State ◽  
Element Analysis ◽  
System A
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