Efficient finite-element-based numerical modelling of large sub-wavelength patterned optical structures

2018 ◽  
Author(s):  
Martin Hammerschmidt ◽  
Jakub Pabisiak ◽  
Ana Cristina Perez-Gea ◽  
Nicolas Julian ◽  
Sean Hon ◽  
...  
Keyword(s):  
Finite Element ◽  
Numerical Modelling ◽  
Sub Wavelength

A Numerical Approach for Simulation of Rock Fracturing in Engineering Blasting

2012 ◽  
pp. 203-224
Author(s):  
Mani Ram Saharan ◽  
Hani Mitri
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Numerical Modelling ◽  
Knowledge Base ◽  
Plane Stress ◽  
Numerical Approach ◽  
The Other ◽  
Brittle Rock ◽  
Rock Fracturing ◽  
Element Elimination

An approach for simulation of rock fracturing as a result of engineering blasting is presented in this paper. The approach uses element elimination technique within the framework of finite element method to capture the physics of engineering blasting. The approach does not require pre-placement of fracture paths which is the severe drawback of the other existing methodologies and approaches. Results of plane stress modelling for isotropic brittle rock behaviour are presented in this paper and these results are in good agreement with the existing knowledge base. The authors also review the existing approaches of numerical modelling to compare the efficacy of the element elimination technique. It is anticipated that the further developments with this approach can prove to be good experimental tool to improve engineering blasting operations.

scholarly journals Selected aspects of numerical modelling in prediction of building vibrations due to traffic

2018 ◽  
Vol 196 ◽  
pp. 01055
Author(s):  
Sławomir Dudziak ◽  
Zofia Kozyra
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Numerical Modelling ◽  
The Finite Element Method ◽  
Frequency Range ◽  
Mass Estimation ◽  
Structure Response ◽  
Dynamic Analyses ◽  
Transportation Routes ◽  
The Impact

Dynamic analyses play an important role in the process of designing buildings in the vicinity of transportation routes. The Finite Element Method is the most popular modelling technique, because it allows to simulate the structure response in the higher frequency range properly. However, the results of such analyses depend on many factors and can differ a lot. This paper discusses the impact of the building mass estimation and neglecting or including damping in the analysis on the assessment of influence of vibrations due to traffic on people.

NUMERICAL MODELLING OF THE GROUND MOTION: A PARALLEL APPROACH FOR FINITE ELEMENT METHODS

2005 ◽  
Author(s):  
VITTORIO RUGGIERO ◽  
PIERO LANUCARA ◽  
MARIA PIA BUSICO ◽  
ARRIGO CASERTA ◽  
BRUNO FIRMANI
Keyword(s):  
Finite Element ◽  
Numerical Modelling ◽  
Ground Motion ◽  
Finite Element Methods
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