Robert k goldberg (6 Ergebnisse)

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Taschenbuch. Zustand: Neu. Neuware - Potential gas turbine applications will expose polymer matrix composites to very high strain rate loading conditions, requiring an ability to understand and predict the material behavior under extreme conditions. Specifically, analytical methods designed for these applications must have the capability of properly capturing the strain rate sensitivities and nonlinearities that are present in the material response. The Ramaswamy-Stouffer constitutive equations, originally developed to analyze the viscoplastic deformation of metals, have been modified to simulate the nonlinear deformation response of ductile, crystalline polymers. The constitutive model is characterized and correlated for two representative ductile polymers. Fiberite 977-2 and PEEK, and the computed results correlate well with experimental values. The polymer constitutive equations are implemented in a mechanics of materials based composite micromechanics model to predict the nonlinear, rate dependent deformation response of a composite ply. Uniform stress and uniform strain assumptions are applied to compute the effective stresses of a composite unit cell from the applied strains. The micromechanics equations are successfully verified for two polymer matrix composites. IM7/977-2 and AS4/PEEK. The ultimate strength of a composite ply is predicted with the Hashin failure criteria that were implemented in the composite micromechanics model. The failure stresses of the two composite material systems are accurately predicted for a variety of fiber orientations and strain rates. The composite deformation model is implemented in LS-DYNA, a commercially available transient dynamic explicit finite element code. The matrix constitutive equations are converted into an incremental form, and the model is implemented into LS-DYNA through the use of a user defined material subroutine. The deformation response of a bulk polymer and a polymer matrix composite are predicted by finite element analyses.…

Buch. Zustand: Neu. Neuware - Potential gas turbine applications will expose polymer matrix composites to very high strain rate loading conditions, requiring an ability to understand and predict the material behavior under extreme conditions. Specifically, analytical methods designed for these applications must have the capability of properly capturing the strain rate sensitivities and nonlinearities that are present in the material response. The Ramaswamy-Stouffer constitutive equations, originally developed to analyze the viscoplastic deformation of metals, have been modified to simulate the nonlinear deformation response of ductile, crystalline polymers. The constitutive model is characterized and correlated for two representative ductile polymers. Fiberite 977-2 and PEEK, and the computed results correlate well with experimental values. The polymer constitutive equations are implemented in a mechanics of materials based composite micromechanics model to predict the nonlinear, rate dependent deformation response of a composite ply. Uniform stress and uniform strain assumptions are applied to compute the effective stresses of a composite unit cell from the applied strains. The micromechanics equations are successfully verified for two polymer matrix composites. IM7/977-2 and AS4/PEEK. The ultimate strength of a composite ply is predicted with the Hashin failure criteria that were implemented in the composite micromechanics model. The failure stresses of the two composite material systems are accurately predicted for a variety of fiber orientations and strain rates. The composite deformation model is implemented in LS-DYNA, a commercially available transient dynamic explicit finite element code. The matrix constitutive equations are converted into an incremental form, and the model is implemented into LS-DYNA through the use of a user defined material subroutine. The deformation response of a bulk polymer and a polymer matrix composite are predicted by finite element analyses.…

Encuadernación de tapa blanda. Zustand: Bien. Zustand des Schutzumschlags: Bien. Essays "All Around Esthetes: Jeffrey Slonim Canvases Fear," by Jeffrey Slonim; "American Myths: J. Hoberman on 'Jaws(n),'" by J. Hoberman; "Gadget Love: Vincent Leo on 'Full Disclosure,'" by Vincent Leo; "Books: Robert Farris Thompson on 'Thornton Dial: Image of the Tiger,'" by Robert Farris Thompson; "Real Life Rock: Greil Marcus' Top Ten," by Greil Marcus; "Sean Sucks. Not: The Très Boring Hours," by Andrew Hultkrans; "Sean Sucks. Not: SWM," by Lorraine O'Grady; "Sean Sucks. Not: Portrait of the Young Artist as a Young Artist," by Jan Avgikos; "Act Out, Turn Off," by Donald Kuspit; "Act Out, Turn On," by Laurence A. Rickels; "Man Trouble: Introduction," by Maurice Berger; "Man Trouble: Aphrodite of the Future," by Simon Watney; ""Man Trouble: His Infinite Variety," by Herbert Sussman; "'My' Masculinity," by Wayne Koestenbaum; "Man Trouble: Lines of Flight," by Todd Haynes; "Man Trouble: Fear of a Black Penis," by Kobena Mercer; "Man Trouble: A Clown's Coat," by Maurice Berger; "James Rosenquist: F-111," by Douglas Coupland; "Golden Memories," W.J.T. Mitchell talks with Robert Morris; "Openings: Keith Mayerson," by Lane Relyea. Reviews by Donald Kuspit, Jan Avgikos, Andrew Perchuk, Joshua Decter, Thomas McEvilley, Thad Ziolkowski, Barry Schwabsky, Keith Seward, Justin Spring, Patricia C. Phillips, Linda Yablonsky, RoseLee Goldberg, Laura U. Marks, Eileen Neff, James Yood, Maria Porges, Rosetta Brooks, Amelia Jones, John K. Grande, Carlos Basualdo, José Luis Brea, Anaxtu Zabalbeascoa, Mario Codognato, Francesca Pasini, Miriam Rosen, Anne Dagbert, Claudia Jolles, Christian Kravagna, Justin Hoffmann, Noemi Smolik, and Michael Archer. Cover: Sean Landers.…

Encuadernación de tapa blanda. Zustand: Bien. Zustand des Schutzumschlags: Bien. Essays "Television: Andrew Hultkrans on 'Beavis and Butt-Head,'" by Andrew Hultkrans; "Film: Richard Flood on 'Six Degrees of Separation,'" by Richard Flood; "Film: Donald Kuspit on 'Schindler's List,'" by Donald Kuspit; "Music: Jutta Koether and Robert Nickas on Melvins," by Jutta Koether and Robert Nickas; "Real Life Rock: Greil Marcus' Top Ten," by Greil Marcus; "Nightlife: Simon Watney on Adrian Rifkin's 'Street Noises,'" by Simon Watney; "Nightlife: Michael Sand on Brassaï," by Michael Sand; "Generation E: British Rave," by Simon Reynolds; "Critical Reflections: Jonathan Crary," With an Introduction by Molly Nesbit; "Body Bildung," Laurence A. Rickels talks with Kathy Acker; "Untitled: A Project for Artforum," by Peter Fischli and David Weiss, with an Introduction by Collier Schorr; "West of Righteous," Anders Stephanson talks with Cornel West; "Into the Gap: Art Club 2000," by Glenn O'Brien; "Revenge of the Mouse Diva: Karen Kilimnik," by Rhonda Lieberman. Reviews by Donald Kuspit, David Rimanelli, Joshua Decter, Andrew Perchuk, K. Marriott Jones, Linda Yablonsky, John Ash, Thad Ziolkowski, Barry Schwabsky, Kirby Gookin, Keith Seward, Jenifer P. Borum, Patricia C. Phillips, RoseLee Goldberg, Thomas McEvilley, Francine Koslow Miller, Joan Seeman Robinson, James Yood, Jeff Kelley, Ralph Rugoff, John K. Grande, Alexandre Melo, Menene Gras Balaguer, Francesca Pasini, Anne Dagbert, Claudia Jolles, Peter Nesweda, Éva Forgács, Marek Bartelik, Noemi Smolik, Michael Tarantino, Michael Corris, and Azby Brown. Cover: Karen Kilimnik.…

Encuadernación de tapa blanda. Zustand: Bien. Zustand des Schutzumschlags: Bien. Essays "Books: Mim Udovitch on 'The Devil at Large: Erica Jong on Henry Miller,'" by Mim Udovitch; "Glamour Wounds: Rhonda Lieberman on Sandra Bernhard," by Rhonda Lieberman; "Democracy, Inc.: Andrew Ross' Weather Report," by Andrew Ross; "Real Life Rock: Greil Marcus' Top Ten," by Greil Marcus; "Media Kids: Scott Bukatman on 'Jurassic Park,'" by Scott Bukatman; "Earth to Vija Celmins," by Lane Relyea; "Soul Thing: A Project for Artforum," by Robert Greene; "Ruby on the Road," Manohla Dargis talks with Victor Nunez; "Face to Face: Portraits from the Collection of the Metropolitan Museum of Art, A Project for Artforum," by Chuck Close with a text by Michael Auping; "Social Realism from Stalin to Sots," by J. Hoberman; "The New Russian Money," by Andrew Solomon; "Rule and Branch," Jean-Pierre Criqui visits Bernard Frize; "Digging Freud: From California to Germany," Catherine Liu talks with Laurence A. Rickels; "Openings: Nicole Eisenman," by Liz Kotz; "Focus: 1993 Venice Biennale, Venice the Menace," by Thomas McEvilley; "'Aperto 93': The Better Biennale," by Giorgio Verzotti. Reviews by Maria Porges, Giorgio Verzotti, Donald Kuspit, Joshua Decter, K. Marriott Jones, David Pagel, Keith Seward, Justin Spring, Barry Schwabsky, Jan Avgikos, Kirby Gookin, John Ash, Linda Yablonsky, Jenifer P. Borum, Lois Nesbitt, Michael Corris, Andrew Perchuk, Patricia Perchuk, Patricia C. Phillips, RoseLee Goldberg, Howard Risatti, James Yood, Vince Leo, Maria Porges, Benjamin Weissman, Ralph Rugoff, Amelia Jones, John K. Grande, Catherine Cafapoulos, José Luis Brea, Menene Gras Balaguer, Massimo Carboni, Michael Tarantino, Miriam Rosen, Hans Rudolf Reust, Norbert Messler, Sabine B. Vogel, Bojana Pejic, and Jos Van den Bergh. Cover: Vija Celmins.…