Zobrazeno 1 - 10
of 38
pro vyhledávání: '"G.G.S. Achary"'
Autor:
Krishnakant V. Pudipeddi, Subramanyam V. R. Sripada, Penchala S. K. Pottem, Gurumurthy Kagita, G.G.S. Achary
Publikováno v:
Volume 2: Computer Technology and Bolted Joints; Design and Analysis.
Low alloy heavy-walled hydroprocessing reactors in the refining industry, which operate at elevated temperatures and high hydrogen environments, need to be designed for protection against brittle fracture especially during start-up and shutdown. Whil
Publikováno v:
Volume 1: Offshore Technology; Offshore Geotechnics.
In the mating phase of float-over operation, the topsides deck load from the vessel is transferred onto the jacket either by ballasting the vessel or by the combination of ballasting and hydraulic jacking system. During this phase of operation, the t
Autor:
Deepak Gupta, Mahesh B. Addala, Penchala S. K. Pottem, Subramanyam V. R. Sripada, G.G.S. Achary, Balaji Srinivasan, Gurumurthy Kagita
Publikováno v:
Volume 5B: Pipelines, Risers, and Subsea Systems.
Mechanical damage in subsea pipelines in the form of local dents / buckles due to excessive bending deformation may severely threaten their structural integrity. A dent / buckle has two significant effects on the pipeline integrity. Notably, residual
Publikováno v:
Acta Mechanica. 228:2895-2919
An accurate prediction of the three-dimensional (3D) and often singular stress field at the free edges of composite laminates has been the subject of intense research since the pioneering numerical work of Pipes and Pagano (J. Compos. Mater. 4:538–
Publikováno v:
Procedia Engineering. 86:327-334
A number of process reactors in refinery and petrochemical industry are constructed using low chrome alloys which are operating in the creep range and are in cyclic service. ASME B&PV Section VIII Code provides allowable stresses at elevated temperat
Autor:
Subramanyam V. R. Sripada, Penchala S. K. Pottem, G.G.S. Achary, Gurumurthy Kagita, Balaji Srinivasan
Publikováno v:
Volume 3: Design and Analysis.
Skirt to bottom head attachments of coke drums experience severe thermo-mechanical cyclic stresses, causing failures due to low cycle fatigue. Accordingly, many skirt attachment designs have evolved over a period of time starting with simple conventi
Autor:
G.G.S. Achary, Santosh Kapuria
Publikováno v:
Composites Science and Technology. 68:297-311
A benchmark three-dimensional (3D) exact piezothermoelasticity solution is presented for free vibration of simply supported cross-ply symmetrically laminated hybrid rectangular plates under initial in-plane electrothermomechanical stresses. The solut
Publikováno v:
Volume 1B: Codes and Standards.
External pressure charts of ASME Boiler & Pressure Vessel Code do not account for reduction of buckling strength due to creep under long-term loads at elevated temperatures. This restricts the design of ASME boiler and pressure vessel components in t
Autor:
G.G.S. Achary, Santosh Kapuria
Publikováno v:
Composite Structures. 74:253-264
A coupled zigzag theory for hybrid piezoelectric plates, recently developed by the first author, is extended to include geometric nonlinearity in the Von Karman sense. In this theory, the potential field is approximated as piecewise linear across sub
Autor:
Santosh Kapuria, G.G.S. Achary
Publikováno v:
Acta Mechanica. 184:61-76
A coupled geometrically nonlinear efficient zigzag theory is presented for electrothermomechanical analysis of hybrid piezoelectric plates. The geometric nonlinearity is included in Von Karman sense. The thermal and potential fields are approximated