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Št. zadetkov: 4
Optimization of tuned mass damper location for enhanced chatter suppression in thin-wall milling
Mohanraj Selvakumar, Prabhu Raja Venugopal, Gautham Velayudhan
Izvirni znanstveni članek
Oznake: chatter;thin-wall milling;tuned mass dampers;optimization;response surface;
In this paper, a method to optimize the location of tuned mass damper (TMD) for enhancing chatter stability limits of thin-walled workpiece by using numerical techniques is proposed with due consideration to mass effect of TMD. The dominant mode of workpiece is identified from the simulated and meas ...
Leto: 2022 Vir: Fakulteta za strojništvo (UL FS)
Investigation of hydrodynamic flow characteristics in helical coils with ovality and wrinkles
Govindaraj Periasamy, Senthilkumar Mouleeswaran, Prabhu Raja Venugopal, Chellapandi Perumal
Izvirni znanstveni članek
Oznake: helical coil;flow characteristics;ovality;wrinkles;computational fluid dynamics;
The forming of helical coils using a rolling process results in geometrical irregularities (wrinkles and ovality) that are likely to influence the hydrodynamic behaviour of the flow field inside the coil in applications such as air generators. In this study, the above behaviour was investigated by e ...
Leto: 2021 Vir: Fakulteta za strojništvo (UL FS)
Fatigue life prediction of butt weld joint with weld defects at multiple locations
Ebron Shaji Gnanasigamony Thankareathenam, Prabhu Raja Venugopal, Gautham Velayudhan, Mohanraj Selvakumar
Izvirni znanstveni članek
Oznake: butt joint;weld defects;fatigue loading;fatigue life;
A numerical model developed using finite element software is used to determine the fatigue life of an arc-welded butt joint with weld defects: lack of penetration, lack of fusion, and undercut, which occur predominantly in welded structures. High-strength, tempered, and quenched fine grain ASTM A517 ...
Leto: 2022 Vir: Fakulteta za strojništvo (UL FS)
Reliability-based design optimization of pump penetration shell accounting for material and geometric non-linearity
Gautham Velayudhan, Prabhu Raja Venugopal, Ebron Shaji Gnanasigamony Thankareathenam, Mohanraj Selvakumar, Thyla Pudukarai Ramaswamy
Izvirni znanstveni članek
Oznake: nuclear reactors;buckling;optimization;reliability;limit load;genetic algorithm;
The roof slab of a nuclear reactor supports all the components and sub-systems. It needs to resist the seismic loads in accordance with load-carrying criteria. The static stress analysis of the reactor roof slab reveals that high-stress concentration was present in the pump penetration shell (PPS) t ...
Leto: 2021 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 4
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