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RISSome Exact and Approximate Solutions for the Modified von Mises Yield Criterion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The effects of Strength Differential (SD) and plastic compressibility for materials obeying the modified von Mises yield criterion were exemplified by solving two boundary-value problems. The ...
A Finite-Element Work-Hardening Plasticity Model of the Uniaxial Compression and Subsequent Failure of Porous Cylinders Including Effects of Void Nucleation and Growth—Part I: Plastic Flow and Damage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Gurson’s mixed hardening plasticity model (which takes into account the progressive damage due to void nucleation and growth of an initially dense material), with strain and stress-controlled ...
A Finite-Element Work-Hardening Plasticity Model of the Uniaxial Compression and Subsequent Failure of Porous Cylinders Including Effects of Void Nucleation and Growth—Part II: Localization and Fracture Criteria
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In Part I [1] of this paper, Gurson’s mixed hardening plasticity model with strain and stress-controlled nucleations, was used in a large deformation finite element program to study the plastic ...
Stochastic Response of Tension Leg Platform to Wave and Current Forces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The linear analysis in the frequency domain is presented for the surge motion of a tension leg platform (TLP) in the case of random waves only and random waves with constant current. A ...
Yield Functions and Flow Rules for Porous Pressure-Dependent Strain-Hardening Polymeric Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To characterize the response of progressively damaged glassy polymers due to the presence and evolution of voids, yield functions and flow rules were developed systematically for a pressure-dependent ...
Determination of Pile Base Resistance in Sands
Publisher: American Society of Civil Engineers
Abstract: Advances in the design of axially loaded piles are desirable because significant cost savings may result. Well-designed piles settle by amounts that are well tolerated by the superstructure and induce strains around the ...
An Investigation of the Formability of Long Fiber Thermoplastic Composite Sheets
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An experimental and analytical investigation was undertaken to improve understanding of the form of long fiber reinforced thermoplastic sheets. The materials tested contained 30 percent by weight ...
An Investigation of Necking Instability in Fiber Reinforced Polypropylene
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thermoplastic composite materials hold considerable promise for increased use in low cost high volume applications because of the potential for processing by solid phase forming. Unfortunately, ...
Shredded Tires and Rubber-Sand as Lightweight Backfill
Publisher: American Society of Civil Engineers
Abstract: The growing interest in utilizing waste materials in civil engineering applications has opened the possibility of constructing reinforced soil structures with unconventional backfills. Scrap tires are a high-profile waste ...
Extension of the Backward Tracing Scheme of the Rigid-Plastic FEM in Three-Dimensional Deformation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Preform design is one of the critical fields in metal forming. The finite element method (FEM) has been effective in designing preforms and process sequence, for which the backward tracing ...