VIBRATIONS OF CIRCULAR CYLINDRICAL SHELLS WITH NONUNIFORM CONSTRAINTS,ELASTIC BED AND ADDED MASS. PART III: STEADY VISCOUS EFFECTS ON SHELLS CONVEYING FLUID |
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| Institution: | 1. Department of Mechanical Engineering, McGill University, H3A 0C3 Montreal, Quebec, Canada;2. School of Mechanical Engineering, University of Adelaide, South Australia 5005, Australia;3. School of Mechanical, Materials and Mechatronic Engineering, University of Wollongong, NSW 2522, Australia;1. School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore;2. School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore;3. Institute of Solid Mechanics, Beihang University, 100191 Beijing, PR China |
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| Abstract: | The effect of steady viscous forces on vibrations of shells with internal and annular flow has been considered by using the time-mean Navier–Stokes equations. The model developed in Part I of the present study, capable of simulating shells with nonuniform boundary conditions, added masses and partial elastic bed, has been extended to include nonuniform prestress. The effect of steady viscous forces has been added to the inviscid flow formulation considered in Part II of the present study. A computer code, DIVA, has been constructed by using the model developed in this series of papers. It has been validated by comparison with available results for shells with uniform constraints and has been used to study shells with nonuniform constraints and added lumped masses. |
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