Developing Improved Civil Aircraft Arresting Systems (2009) / Chapter Skim
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Appendix F - Tire Models
Appendix F - Tire Models
Pages 184-187
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From page 184... ...
F.2. Tire Modeling Approach Tire modeling can be a highly detailed process, involving discrete representation of the treads, carcass material, reinforcing fiber layers, the tire–rim interface, inflation pressures, and so on.
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From page 185... ...
. Aspects to Replicate Aspects to Neglect • Tire dimensions • Ground pressure • Load versus vertical deflection performance • Correct mode of deformation • Computational efficiency • Internal tire stresses • Heat generation • Tread features • Ground traction and slip • Lateral loading deformations • High frequency effects, noise, vibration Table F-3.
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From page 186... ...
The orthotropic smearedproperty method neglected details required for nuanced tire design models, but it still replicated the overall tire deformation and loading pertinent to arrestor simulation. When compared with the prior state-of-the-art in arrestor modeling -- the radial spring tire model -- the FEM approach adopted herein offers an increase in fidelity.
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From page 187... ...
tire model undergoing vertical deflection. Tire 18x4.4 27x7.75R15 H29x915 H44.5x16.521 H49x1922 RSM Type Quadratic Quadratic Quadratic Linear Linear Open Variables 3 3 2 3 3 Simulations Per Iteration 16 16 10 7 7 Number of Iterations (Pre Final)
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