ACOUSTIC CAVITATION EFFECTS ON DYNAMIC RESPONSE OF CONCRETE DAM-RESERVOIR SYSTEMS

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KALATEH F.; ATTARNEJAD R.

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Journal: Civil Engineering Infrastructures Journal Year:2011 | Volume:45 | Issue:3 Page(s): 379-389

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Title

ACOUSTIC CAVITATION EFFECTS ON DYNAMIC RESPONSE OF CONCRETE DAM-RESERVOIR SYSTEMS

Author(s)

KALATEH F. | ATTARNEJAD R. | Issue Writer Certificate

Keywords

ACOUSTIC CAVITATIONQ2

FLUID-STRUCTURE INTERACTIONQ3

DYNAMIC ANALYSISQ2

FINITE ELEMENT METHODQ3

NONLINEAR ANALYSISQ2

Abstract

The present research focuses on the development and verification of a computational procedure and relevant code capable of predicting the water cavitation effects on dynamic response of concrete dam-reservoir coupled systems. Because of the catastrophic consequences of a dam failure, DYNAMIC ANALYSIS of dam-reservoir system should include the effects of significant nonlinearities in the response of these systems. The objectives of this paper are summarized as follow: 1- Present a numerical hybrid model to capture ACOUSTIC CAVITATION in the reservoir of dams. 2- To develop a nonlinear fluid-structure coupling code for studying the water cavitation effects on the response of concrete dam- reservoir system subjected to earthquake ground motion. 3- Perform a study of typical concrete dam-reservoir systems to determine the effects of reservoir cavitation on dam response. Finally, for investigate water cavitation effects on seismic response of concrete dams, two typical gravity dam- reservoir and arch dam-reservoir systems are modeled. Based on the results presented in this paper the following conclusion can be drawn: 1- The coupling phenomena are found to have great significance in the case of dam– reservoir interaction analysis. 2- Once the cavitation takes place, the interaction process is quite different from what is predicted by a model that does not consider cavitation. Strictly nonlinear phenomenon will dominate and a proper cavitation model is required to define fluid behavior. 3- Reservoir cavitation does not affect the response of concrete dams considerably.

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APA: Copy

KALATEH, F., & ATTARNEJAD, R.. (2011). ACOUSTIC CAVITATION EFFECTS ON DYNAMIC RESPONSE OF CONCRETE DAM-RESERVOIR SYSTEMS. CIVIL ENGINEERING INFRASTRUCTURES JOURNAL (CEIJ) (JOURNAL OF FACULTY OF ENGINEERING), 45(3), 379-389. SID. https://sid.ir/paper/166558/en

Vancouver: Copy

KALATEH F., ATTARNEJAD R.. ACOUSTIC CAVITATION EFFECTS ON DYNAMIC RESPONSE OF CONCRETE DAM-RESERVOIR SYSTEMS. CIVIL ENGINEERING INFRASTRUCTURES JOURNAL (CEIJ) (JOURNAL OF FACULTY OF ENGINEERING)[Internet]. 2011;45(3):379-389. Available from: https://sid.ir/paper/166558/en

IEEE: Copy

F. KALATEH, and R. ATTARNEJAD, “ACOUSTIC CAVITATION EFFECTS ON DYNAMIC RESPONSE OF CONCRETE DAM-RESERVOIR SYSTEMS,” CIVIL ENGINEERING INFRASTRUCTURES JOURNAL (CEIJ) (JOURNAL OF FACULTY OF ENGINEERING), vol. 45, no. 3, pp. 379–389, 2011, [Online]. Available: https://sid.ir/paper/166558/en

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