Publications
197 results found
Breard C, Sayma AI, Vahdati M, et al., 2000, An integrated time-domain aeroelasticity model for the prediction of fan forced response due to inlet distortion, 45th ASME International Gas Turbine and Aeroengine technical congress May 2000 ASME Paper 2000-GT-0373, Pages: 196-208, ISSN: 0742-4795
Sayma AI, Vahdati M, Sbardella L, et al., 2000, Modeling of 3D viscous compressible turbomachinery flows using unstructured hybrid grids, A.I.A.A.Journal, Vol: 38, Pages: 945-954, ISSN: 0001-1452
Sayma AI, Vahdati M, Imregun M, 2000, Turbine forced response prediction using an integrated non-linear analysis, Journal of Multi-Body Dynamics, Vol: 214, Pages: 45-60
Sayma AI, Vahdati M, Imregun M, et al., 2000, Multi-row, whole-annulus fan forced respomse predictions, 5th National Turbine Engine High Cycle Fatigue Conference San Antonio February 2000
Breard C, Sayma AI, Vahdati M, et al., 2000, A resonance tracking algorithm for the prediction of turbine forced response with friction dampers, 45th ASME international gas turbine and aeroengine technical congress May 2000 ASME paper 2000-GT-0372
Vahdati M, Sayma AI, Sbardella L, et al., 2000, Ranking of numerical methods for fan flutter prediction, Rolls Royce report 2001 no 92785
Breard C, Sayma AI, Vahdati M, et al., 2000, A resonance tracking algorithm for the prediction of turbine forced response with friction dampers, 45th ASME international gas turbine and aeroengine technical congress May 2000 ASME paper 2000-GT-0372
Vahdati M, Sayma AI, Imregun M, 2000, Multi-stage whole-annulus forced response predictions using an integrated non-linear analysis technique - Part II: Study of a HP turbine, Journal of Fluids and Structures, Vol: 14, Pages: 103-125, ISSN: 0889-9746
Vahdati M, Sayma AI, Imregun M, 2000, An integrated nonlinear approach for turbomachinery forced response prediction. Part II: Case studies, Journal of Fluids and Structures, Vol: 14, Pages: 103-125, ISSN: 0889-9746
Sayma AI, Vahdati M, Imregun M, 2000, An integrated nonlinear approach for turbomachinery forced response prediction. Part I: Formulation, Journal of Fluids and Structures, Vol: 14, Pages: 87-101, ISSN: 0889-9746
Sayma AI, Vahdati M, Imregun M, 2000, An integrated nonlinear approach for turbomachinery forced response prediction. Part I: Formulation, Journal of Fluids and Structures, Vol: 14, Pages: 87-101, ISSN: 0889-9746
Sayma AI, Vahdati M, Imregun M, 2000, Multi-stage whole-annulus forced response predictions using an integrated non-linear analysis technique - Part 1:Numerical model, Journal of Fluids and Structures, ISSN: 0889-9746
Sayma AI, Vahdati M, Imregun M, 2000, Multi-bladerow fan forced response predictions using an integrated three-dimensional time-domain aeroelasticity model, PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE, Vol: 214, Pages: 1467-1483, ISSN: 0954-4062
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- Citations: 14
Sayma AI, Vahdati M, Imregun M, et al., 2000, Two frequency-domain criteria for test/analysis correlation and FE model updating, Proceedings European Cost F3 Conference of System Identification and Structural Health Monitoring 6-9 June Universidad Politecnica de Madrid Madrid 2000
Bréard C, Imregun M, Sayma A, et al., 1999, Flutter stability analysis of a complete fan assembly
A non-linear integrated aeroelasticity method was applied to the flutter analysis of a complete civil aeroengine fan assembly, including an intake duct. A viscous unsteady flow representation was used together with nodal diameter assembly modes in order to predict the modal time histories of three different configurations: no intake, symmetric intake and non-symmetric flight intake. The blade's dynamic behaviour was found to be different for each configuration considered, indicating the influence of intake ducts on flutter stability.
Breard C, Imregun M, Vahdati M, et al., 1999, Flutter stability analysis of a complete fan assembly, 36th Aerospace Sciences Meeting and Exhibit (American Institute of Aeronautics and Astronautics) (Reno) AIAA-99-0238, Pages: 1-9
Imregun M, Vahdati M, 1999, Aeroelasticity analysis of a bird-damaged fan assembly using a large numerical model, The Aeronautical Journal, Vol: 103, Pages: 569-578, ISSN: 0001-9240
Ferrari E, Vahdati M, Imregun M, 1999, Flutter stability analysis of a bird-damaged fan assembly, 3rd European Conference on Turbomachinery (London) C/557/116/99 Institution of Mechanical Engineers London, 2-5 March 1999, Pages: 365-376, ISSN: 1356-1448
Vahdati M, Sayma AI, Lee SJ, et al., 1999, Multi blade-row forced response predictions for a rig with articulated inlet guide vanes, 4th National Turbine Engine High Cycle Fatigue (HCF) Conference (California USA) 9-11 February 1999, Pages: 1-16
Sayma AI, Vahdati M, Imregun M, 1999, Fan forced response predictions due to inlet distortions and excitation from inlet guide vanes at high deflection, 4th National Turbine Engine High Cycle Fatigue (HCF) Conference (California USA) 9-11 February 1999, Pages: 1-16
Vahdati M, Sayma AI, Imregun M, 1999, Viscous flutter calculations for a fan assembly using hybrid grids, 3rd European Conference on Turbomachinery (London) C/557/114/99 Institution of Mechanical Engineers Transactions volume 1/A, Pages: 353-363
Imregun M, Vahdati M, 1999, Aeroelasticity analysis of a bird-damaged fan assembly using a large numerical model, The Aeronautical Journal, Vol: 103, Pages: 569-578, ISSN: 0001-9240
Vahdati M, Sayma AI, Imregun M, 1998, Prediction of high and low engine order forced responses for a low pressure turbine blade, AIAA-98-3719 34th AIAA/ASME/SAE/ASEE Joint propulsion conference & exhibition July 13-15 1998 Cleveland Ohio, Publisher: American Institute of Aeronautics & Astronautics
Sayma AI, Vahdati M, Imregun M, et al., 1998, Whole-assembly flutter analysis of a low-pressure turbine blade, Aeronautical Journal, Vol: 102, Pages: 459-463, ISSN: 0001-9240
Vahdati M, Sayma AI, Imregun M, 1998, Multi-stage whole-annulus forced response predictions using an integrated non-linear analysis technique, 3rd national turbine engine high cycle fatigue conference San Antonio Texas February 1998
Sayma AI, Vahdati M, Green JS, et al., 1998, Whole-assembly flutter analysis of a low pressure turbine blade, 8th International Symposium on Unsteady Aerodynamics and Aeroelasticity of Turbomachines (8th ISUAAT), Publisher: SPRINGER, Pages: 347-359
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- Citations: 11
Vahdati M, Green JS, Marshall JG, et al., 1998, Forced response predictions for a HP turbine rotor blade, PEP symposium on design principles and methods for aircraft gas turbine engines Toulouse May 11-15 1998, Pages: 34-34
Chew JW, Vahdati M, Imregun M, 1998, Predicted influence of intake acoustics upon part speed fan flutter, ASME 98-GT-558
Sayma AI, Vahdati M, Imregun M, 1998, Forced response analysis of an intermediate pressure turbine blade using a nonlinear aeroelasticity model, AIAA-98-3718 34th AIAA/ASME/SAE/ASEE Joint propulsion conference & exhibition July 13-15 1998 Cleveland Ohio, Publisher: American Institute of Aeronautics & Astronautics
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