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Keywords: finite element
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eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2022
ISBN: 978-0-8031-7727-7
... of plane finite element MASONRY 2022: ADVANCING MASONRY TECHNOLOGY 87 STP 1640, 2022 / available online at www.astm.org / doi: 10.1520/STP164020210117 Alan Alonso Rivers,1 Rafael Gonzalez,1 Mahmoud Elsayed,1 Bennett Banting,2 Monica Guzman,3 Douglas Tomlinson,1 and Carlos Cruz-Noguez1 A Look...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2022
ISBN: 978-0-8031-7712-3
... Advanced engineering analysis of structural silicone sealant performance using finite element modeling requires precision in setting up material behavior models. Previous research indicates that the validation of behavior models using sealant response in tension has good agreement between...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2020
ISBN: 978-0-8031-7708-6
... of alloying elements, and residual stress formation. In this paper, evolution of residual stresses and deflections of Invar 36 parts is analyzed using a coupled thermal-mechanical finite element model in ANSYS Additive 19.2 software. The numerical results are validated experimentally. Residual stresses...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2018
ISBN: 978-0-8031-7641-6
..., extrusion ratio, lubrication) and extrusion tools have to be chosen as a function of the press capacity and mechanical and microstructural properties of the extruded alloy. For this purpose, finite-element and analytical models are used in addition to experimental tests. These models, particularly...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2015
ISBN: 978-0-8031-7529-7
... parameters on geometry and temperature, but it was also used to optimize welding conditions. zirconium alloys fuel rods welding numerical modeling finite element ZIRCONIUM IN THE NUCLEAR INDUSTRY: 17TH INTERNATIONAL SYMPOSIUM 331 STP 1543, 2015 / available online at www.astm.org / doi: 10.1520...
eBook Chapter
... grades under different loading conditions. size effect nuclear graphite fracture finite element GRAPHITE TESTING FOR NUCLEAR APPLICATIONS: THE SIGNIFICANCE OF TEST SPECIMEN VOLUME AND GEOMETRY AND THE STATISTICAL SIGNIFICANCE OF TEST SPECIMEN POPULATION 199 STP 1578, 2014 / available online...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2009
ISBN: 978-0-8031-3416-4
... of the patch was altered by changing the patch thickness, patch modulus, or by tapering the edges of the patch. The specimens were modeled using finite element analysis. The results of the finite element analysis revealed a power law relationship between fatigue life and either the peak principal strain...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2009
ISBN: 978-0-8031-3416-4
..., it is possible to predict the distortion by explicitly modeling the installation process by using a finite element approach. However, for a large part with many bushings, it is not practical to build a model with a detailed finite element representation of each bushing installation. In this work, a simplified...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2007
ISBN-10: 0-8031-3406-1
ISBN: 978-0-8031-3406-5
... constraint model based on void growth is also used to predict the crack propagation rates in the pipe component using a twodimensional finite elements (FE) mesh. Elastic-plastic-creep analyses are performed using a node debonding criteria to simulate and predict crack extension under plane stress and plane...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2007
ISBN-10: 0-8031-3406-1
ISBN: 978-0-8031-3406-5
... of crack depths, 0.1⩽ a/W ⩽0.7, where a is crack length and W is specimen width, and hardening exponents, 3 ⩽ N ⩽10, under plane stress and plane strain conditions have been examined using the finite element method. The influence of specimen length, crack length, material properties and out of plane...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2003
ISBN-10: 0-8031-3451-7
ISBN: 978-0-8031-3451-5
... heat flux to the calorimeter as a function of time and location. The uncertainty in heat flux caused by three-dimensional effects is estimated using finite element computer simulations. A Monte Carlo uncertainty simulation is used to estimate the uncertainty in heat flux from propagated uncertainties...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2003
ISBN-10: 0-8031-2899-1
ISBN: 978-0-8031-2899-6
... that provide data for structures. For structural steels the CTOA is typically 8 to 25°. The relations to K , J , and FEA are discussed, as are instability and cleavage. Fracture mechanics fully plastic slip line crack tip opening displacement crack tip opening angle mixed mode finite element...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2002
ISBN-10: 0-8031-2897-5
ISBN: 978-0-8031-2897-2
... initiation toughness, a series of CCB tests has been carried out on a well-characterised A533B-1 steel plate. Supporting finite element analyses were performed to provide accurate η-factors for the derivation of J from load-displacement traces. Fatigue pre-cracking of specimens in rotating bend provided...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2001
ISBN-10: 0-8031-2862-2
ISBN: 978-0-8031-2862-0
... occurred in these specimens at significantly shorter fatigue lives than similar specimens without waviness, tested in Ref 2. A 2-D finite-element model was developed which closely approximated the flexbeam geometry, boundary conditions, and loading. In addition, the FE model duplicated the waviness...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2001
ISBN-10: 0-8031-2883-5
ISBN: 978-0-8031-2883-5
... into a commercially available finite element package. The plasticity model is characterized by its ability to describe general cyclic stress-strain phenomena that occur in rolling contact. The finite element model with the implementation of the plasticity theory is used to simulate the elastic-plastic stresses...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2858-4
ISBN: 978-0-8031-2858-3
.... This paper demonstrates, that treating the subgrade as a nonlinear elastic material, can result in much more realistic moduli and a much better agreement between measured and calculated stresses and strains. The response of nonlinear elastic materials can be calculated using the Finite Element Method (FEM...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 2000
ISBN-10: 0-8031-2863-0
ISBN: 978-0-8031-2863-7
... aluminum alloy. Crack growth was measured using marker bands that result from changing the load level after a certain number of cycles. The measured crack growth rates were converted to stress intensity factors using certain principles of similitude. Three-dimensional finite elements were used to verify...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1999
ISBN-10: 0-8031-2486-4
ISBN: 978-0-8031-2486-8
..., crack length. The fracture toughness value of the tubes are found using compact toughness specimens (CTS) removed from the tube wall. Elastic and elastic-plastic, three-dimensional, finite element analyses of standard CTS and axially-cracked, internally pressurized tubes have been performed to examine...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1999
ISBN-10: 0-8031-2494-5
ISBN: 978-0-8031-2494-3
... This paper compares the stresses developed by wind and by a sudden drop in temperature, using finite element analyses on three tab, self-sealing, asphalt-glass fiber felt shingles, that are rack installed (with three and four nails per shingle in alternate tiers), with the same shingles...
eBook Chapter
Series: ASTM Selected Technical Papers
Publisher: ASTM International
Published: 1997
ISBN-10: 0-8031-2412-0
ISBN: 978-0-8031-2412-7
... Accurate predictions of stable tearing in a 7.6-mm-thick 2000-series aluminum alloy were made using the critical crack-tip opening angle (CTOA) criterion. The predictions were verified through a comparison of experimental and analytical results. A two-dimensional, elastic-plastic finite element...