High-Fidelity Total-Lagrangian Geometrically Exact Modeling and Analysis of Highly Flexible Plates/Shells

2012 ◽  
Author(s):  
P Frank Pai ◽  
Robert Chapman ◽  
Zaichun Feng
Keyword(s):  
High Fidelity ◽  
Modeling And Analysis ◽  
Flexible Plates

Nonlinear Modeling and Analysis of Electromagnetic Bearings With Permanent Magnets for Bias

2012 ◽  
Author(s):  
Peiman Naseradinmousavi ◽  
C. Nataraj ◽  
Matthew Frank
Keyword(s):  
Permanent Magnets ◽  
Magnetic Circuit ◽  
Nonlinear Modeling ◽  
Nonlinear Function ◽  
High Fidelity ◽  
The Finite Element Method ◽  
Modeling And Analysis ◽  
Magnetic Forces ◽  
Simplifying Assumptions ◽  
Insight Into

This article describes high fidelity modeling of electromagnetic (EM) bearings with permanent magnets (PM) used to supply bias current. We analyze both the PM and EM parts of the system. Magnetic circuit theory is first used to gain insight into the magnetic forces and allows for the dynamic analysis of a rigid rotor coupled with the magnetic bearings. The results reveal that the magnetic forces are a strong nonlinear function of the rotor offsets from its equilibrium position. Next, the validity of the simplifying assumptions is examined with the aid of the finite element method. Comparisons of the magnetic forces are presented and discussed.

scholarly journals Multiscale modeling and analysis for high-fidelity interferometric scattering microscopy

2021 ◽  
Vol 54 (27) ◽  
pp. 274002
Author(s):  
Yong He ◽  
Shupei Lin ◽  
Hadrien Marc Louis Robert ◽  
Hong Li ◽  
Pu Zhang ◽  
...  
Keyword(s):  
Multiscale Modeling ◽  
High Fidelity ◽  
Modeling And Analysis

scholarly journals A Data-Based Approach for Modeling and Analysis of Vehicle Collision by LPV-ARMAX Models

2013 ◽  
Vol 2013 ◽  
pp. 1-9 ◽  
Author(s):  
Qiugang Lu ◽  
Hamid Reza Karimi ◽  
Kjell Gunnar Robbersmyr
Keyword(s):  
Crash Test ◽  
High Fidelity ◽  
Modeling And Analysis ◽  
Time Consumption ◽  
Analysis Process ◽  
Vehicle Crash ◽  
Vehicle Collision ◽  
Armax Model ◽  
Vehicle Crashworthiness ◽  
Real Test

Vehicle crash test is considered to be the most direct and common approach to assess the vehicle crashworthiness. However, it suffers from the drawbacks of high experiment cost and huge time consumption. Therefore, the establishment of a mathematical model of vehicle crash which can simplify the analysis process is significantly attractive. In this paper, we present the application of LPV-ARMAX model to simulate the car-to-pole collision with different initial impact velocities. The parameters of the LPV-ARMAX are assumed to have dependence on the initial impact velocities. Instead of establishing a set of LTI models for vehicle crashes with various impact velocities, the LPV-ARMAX model is comparatively simple and applicable to predict the responses of new collision situations different from the ones used for identification. Finally, the comparison between the predicted response and the real test data is conducted, which shows the high fidelity of the LPV-ARMAX model.

scholarly journals A high-fidelity numerical study on the propulsive performance of pitching flexible plates

2021 ◽  
Vol 33 (5) ◽  
pp. 051901
Author(s):  
Guojun Li ◽  
Gaël Kemp ◽  
Rajeev Kumar Jaiman ◽  
Boo Cheong Khoo
Keyword(s):  
Numerical Study ◽  
High Fidelity ◽  
Propulsive Performance ◽  
Flexible Plates

Modeling and analysis of an intersection on AGT

1981 ◽  
Vol 64 (10) ◽  
pp. 18-27
Author(s):  
Yoshio Hamamatsu ◽  
Katsuhiro Nakada ◽  
Ikuo Kaji ◽  
Osamu Doi
Keyword(s):  
Modeling And Analysis

Using the Theory of Planned Behavior to Predict Faking in Selection Exercises Varying in Fidelity

2018 ◽  
Vol 17 (3) ◽  
pp. 155-160 ◽  
Author(s):  
Daniel Dürr ◽  
Ute-Christine Klehe
Keyword(s):  
Theory Of Planned Behavior ◽  
Planned Behavior ◽  
Predictive Validity ◽  
Group Discussion ◽  
Role Play ◽  
Selection Procedure ◽  
High Fidelity ◽  
Selection Research ◽  
Play Group

Abstract. Faking has been a concern in selection research for many years. Many studies have examined faking in questionnaires while far less is known about faking in selection exercises with higher fidelity. This study applies the theory of planned behavior (TPB; Ajzen, 1991 ) to low- (interviews) and high-fidelity (role play, group discussion) exercises, testing whether the TPB predicts reported faking behavior. Data from a mock selection procedure suggests that candidates do report to fake in low- and high-fidelity exercises. Additionally, the TPB showed good predictive validity for faking in a low-fidelity exercise, yet not for faking in high-fidelity exercises.

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