TY - GEN
T1 - Soil deformations during finless torpedo installation
AU - Omidvar, Mehdi
AU - Iskander, Magued
N1 - Funding Information:
The authors gratefully acknowledge the support of the Defense Threat Reduction Agency (DTRA) of the United States. Grant No. HDTRA1-10-1-0049. The first author also acknowledges funding from Manhattan College in the form of a summer grant.
Publisher Copyright:
© ASCE.
PY - 2017
Y1 - 2017
N2 - Rapid penetration of torpedoes into the sea floor encompasses a host of complex phenomena. Determining the kinematics of soil-torpedo interactions, needed for development and validation of state-of-the-art numerical simulations, remains one of the major challenges in design and analysis of torpedo anchors. In this study, results of rapid penetration tests in reduced scale physical models of synthetic soils are presented. The granular media consists of saturated refractive-index-matched transparent quartz particles. High-speed imaging is used to capture images during the penetration event. Digital image correlation is then performed to investigate soil-torpedo interactions. Results of the analyses provide high fidelity data with regards to kinematics of soil-torpedo interaction at various stages of penetration. These data reveal a deviation of the soil response ahead of the torpedo from both cylindrical and spherical cavity expansion.
AB - Rapid penetration of torpedoes into the sea floor encompasses a host of complex phenomena. Determining the kinematics of soil-torpedo interactions, needed for development and validation of state-of-the-art numerical simulations, remains one of the major challenges in design and analysis of torpedo anchors. In this study, results of rapid penetration tests in reduced scale physical models of synthetic soils are presented. The granular media consists of saturated refractive-index-matched transparent quartz particles. High-speed imaging is used to capture images during the penetration event. Digital image correlation is then performed to investigate soil-torpedo interactions. Results of the analyses provide high fidelity data with regards to kinematics of soil-torpedo interaction at various stages of penetration. These data reveal a deviation of the soil response ahead of the torpedo from both cylindrical and spherical cavity expansion.
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U2 - 10.1061/9780784480472.041
DO - 10.1061/9780784480472.041
M3 - Conference contribution
AN - SCOPUS:85018784343
T3 - Geotechnical Special Publication
SP - 389
EP - 397
BT - Geotechnical Special Publication
A2 - Brandon, Thomas L.
A2 - Valentine, Richard J.
PB - American Society of Civil Engineers (ASCE)
T2 - Geotechnical Frontiers 2017
Y2 - 12 March 2017 through 15 March 2017
ER -