Coupled computational fluid dynamics and finite element analyses were used to determine the material properties of the egg and jelly layer of the sea urchin Arbacia punctulata. Prior experimental shear flow results were used to provide material parameters for these simulations. A Neo-Hookean model was used to model the hyperelastic behaviors of the jelly layer and egg. A simple compressive simulation was then performed, to compare the maximum von Mises stresses within eggs, with and without jelly layers. Results of this study showed that (1) shear moduli range from , and for an egg without a jelly layer, and jelly layer itself, respectively; and (2) the presence of the jelly layer significantly reduces maximum von Mises stress in an egg undergoing compression.
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October 2006
Research Papers
Fluid-Structure Interaction Analysis of Flow-Induced Deformation in a Two-Phase, Neo-Hookean Marine Egg
T. Kim,
T. Kim
Department of Mechanical Engineering,
University of Michigan
, 2250 G.G. Brown Building, 2350 Hayward Street, Ann Arbor, MI 48109-2125
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C W. Wang,
C W. Wang
Department of Mechanical Engineering,
University of Michigan
, 2250 G.G. Brown Building, 2350 Hayward Street, Ann Arbor, MI 48109-2125
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F. I. M. Thomas,
F. I. M. Thomas
University of Hawaii
, Hawaii Institute of Marine Biology, P. O. Box 1346, Kaneohe, HI 96744
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A. M. Sastry
A. M. Sastry
Fellow ASME
Departments of Mechanical, Biomedical and Materials Science and Engineering,
e-mail: amsastry@umich.edu
University of Michigan
, Ann Arbor, MI 48109-2125
Search for other works by this author on:
T. Kim
Department of Mechanical Engineering,
University of Michigan
, 2250 G.G. Brown Building, 2350 Hayward Street, Ann Arbor, MI 48109-2125
C W. Wang
Department of Mechanical Engineering,
University of Michigan
, 2250 G.G. Brown Building, 2350 Hayward Street, Ann Arbor, MI 48109-2125
F. I. M. Thomas
University of Hawaii
, Hawaii Institute of Marine Biology, P. O. Box 1346, Kaneohe, HI 96744
A. M. Sastry
Fellow ASME
Departments of Mechanical, Biomedical and Materials Science and Engineering,
University of Michigan
, Ann Arbor, MI 48109-2125e-mail: amsastry@umich.edu
J. Eng. Mater. Technol. Oct 2006, 128(4): 519-526 (8 pages)
Published Online: June 19, 2006
Article history
Received:
February 6, 2006
Revised:
June 19, 2006
Citation
Kim, T., Wang, C. W., Thomas, F. I. M., and Sastry, A. M. (June 19, 2006). "Fluid-Structure Interaction Analysis of Flow-Induced Deformation in a Two-Phase, Neo-Hookean Marine Egg." ASME. J. Eng. Mater. Technol. October 2006; 128(4): 519–526. https://doi.org/10.1115/1.2345443
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