Submitted on: 13 May 2007.
Revised on: 28 August 2007.
Accepted on: 11 September 2007.
___________________Ain Shams Engineering Journal---ELSEVIER
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Submitted on: 14 June 2023.
Revised on: 04 October 2023.
Accepted on: 21 October 2023.
___________________Ain Shams Engineering Journal---ELSEVIER
Submitted on: 06 March 2012.
Revised on: 01 April 2012.
Accepted on: 09 May 2012.
___________________Ain Shams Engineering Journal---ELSEVIER
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Submitted on: 29 May 2021.
Revised on: 12 September 2021.
Accepted on: 05 October 2021.
___________________Ain Shams Engineering Journal---ELSEVIER
Submitted on: 15 October 2011.
Revised on: 20 December 2011.
Accepted on: 12 February 2012.
___________________Ain Shams Engineering Journal---ELSEVIER
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