Search Results - "Hattel, J.H."

In situ synchrotron investigation of degenerate graphite nodule evolution in ductile cast iron by Wigger, T., Andriollo, T., Xu, C., Clark, S.J., Gong, Z., Atwood, R.C., Hattel, J.H., Tiedje, N.S., Lee, P.D., Azeem, M.A.

“…Ductile cast irons (DCIs) are of increasing importance in the renewable energy and transportation sectors. The distribution and morphology of the graphite…”
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Material flow in butt friction stir welds in AA2024-T3 by Schmidt, H.N.B., Dickerson, T.L., Hattel, J.H.

“…The properties of a workpiece joined by friction stir welding (FSW) are directly related to the material flow around the tool. In the present work, the…”
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The effect of hardening laws and thermal softening on modeling residual stresses in FSW of aluminum alloy 2024-T3 by Sonne, M.R., Tutum, C.C., Hattel, J.H., Simar, A., de Meester, B.

“…► Effect of hardening laws in combination with a softening model on res. stresses of FSW parts. ► Systematically investigated with respect to cold and hot…”
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Drying of a tape-cast layer: Numerical investigation of influencing parameters by Jabbari, M., Shojaee Nasirabadi, P., Jambhekar, V.A., Hattel, J.H., Helmig, R.

“…•Coupled free-flow-porous-media simulation on REV scale.•Influence of process parameters on drying behaviour.•Analysis of variance (ANOVA) for influencing…”
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Estimating the workpiece-backing plate heat transfer coefficient in friction stirwelding by Larsen, Anders, Stolpe, Mathias, Hattel, J.H

“…Purpose – The purpose of this paper is to determine the magnitude and spatial distribution of the heat transfer coefficient between the workpiece and the…”
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A numerical model for predicting the thermomechanical conditions during hydration of early-age concrete by Hattel, J.H., Thorborg, J.

“…In the present study, a macroscopic numerical model for the thermomechanical conditions during hydration of early-age concrete is presented. The formulation is…”
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An integrated numerical model of the spray forming process by Pryds, N.H., Hattel, J.H., Pedersen, T.B., Thorborg, J.

“…In this paper, an integrated approach for modelling the entire spray forming process is presented. The basis for the analysis is a recently developed model…”
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Ceramic tape casting: A review of current methods and trends with emphasis on rheological behaviour and flow analysis by Jabbari, M., Bulatova, R., Tok, A.I.Y., Bahl, C.R.H., Mitsoulis, E., Hattel, J.H.

“…•Brief review of the tape casting process for ceramics.•Role of fluid flow analysis in tape casting of ceramics.•Rheological classification of common fluids in…”
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Thermal modelling of friction stir welding by Schmidt, H.B., Hattel, J.H.

“…The objective of the present work is to present the basic elements of the thermal modelling of friction stir welding as well as to clarify some of the…”
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On the possibility of doing reduced order, thermo-fluid modelling of laser powder bed fusion (L-PBF) – Assessment of the importance of recoil pressure and surface tension by Alphonso, W.E., Baier, M., Carmignato, S., Hattel, J.H., Bayat, M.

“…Meso-scale, multi-physics simulations of metal additive manufacturing (MAM) processes have so far proven their capability as a reliable tool for predicting…”
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X-ray CT and image analysis methodology for local roughness characterization in cooling channels made by metal additive manufacturing by Klingaa, C.G., Dahmen, T., Baier, S., Mohanty, S., Hattel, J.H.

“…[Display omitted] •X-ray CT and image analysis enable full surface characterization of LPBF channels.•Novel methodology enables roughness profile extraction…”
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Modeling the deformation of fresh porcine bellies: A quantitative comparison of different constitutive formulations by Rahmani, S., Andriollo, T., Sonne, M.R., Hattel, J.H.

“…The present work focuses on comparing the ability of different constitutive formulations to model the deformation of fresh pork bellies during handling…”
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Drying of a tape-cast layer: Numerical modelling of the evaporation process in a graded/layered material by Jabbari, M., Jambhekar, V.A., Hattel, J.H., Helmig, R.

“…•Coupled free-flow-porous-media simulation on REV scale.•Drying behaviour of graded/layered materials.•Numerical results motivated by ceramic tape casting…”
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Characterization of channels made by laser powder bed fusion and binder jetting using X-ray CT and image analysis by Dahmen, T., Klingaa, C.G., Baier-Stegmaier, S., Lapina, A., Pedersen, D.B., Hattel, J.H.

“…[Display omitted] •Additive Manufacturing of channels and state-of-the-art comparison of Laser Powder Bed Fusion and Binder Jetting.•Application of a novel…”
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Towards a digital twin of laser powder bed fusion with a focus on gas flow variables by Klingaa, C.G., Mohanty, S., Funch, C.V., Hjermitslev, A.B., Haahr-Lillevang, L., Hattel, J.H.

“…[Display omitted] Metal additive manufacturing is increasingly used as a complementary manufacturing technique in industrial settings and slowly moving from…”
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Flow induced particle migration in fresh concrete: Theoretical frame, numerical simulations and experimental results on model fluids by Spangenberg, J., Roussel, N., Hattel, J.H., Stang, H., Skocek, J., Geiker, M.R.

“…In this paper, we describe and compare the various physical phenomena which potentially lead to flow induced particle migration in concrete. We show that, in…”
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Humidity build-up in electronic enclosures exposed to different geographical locations by RC modelling and reliability prediction by Conseil-Gudla, H., Staliulionis, Z., Mohanty, S., Jellesen, M.S., Hattel, J.H., Ambat, R.

“…Electronic devices are exposed to a wide range of climatic conditions. This study shows a reliability prediction of electronic devices exposed to different…”
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Mathematical modelling of moisture transport into an electronic enclosure under non-isothermal conditions by Staliulionis, Ž., Mohanty, S., Jabbari, M., Hattel, J.H.

“…In contrast to high fidelity CFD codes which require higher computational effort/time, the well-known Resistor-Capacitor (RC) approach requires much lower…”
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A robustness analysis of the bonding process of joints in wind turbine blades by Spangenberg, J., Uzal, A., Nielsen, M.W., Hattel, J.H.

“…In this paper, a numerical model is used to perform a robustness analysis of the bonding process of a joint between the two shells composing a wind turbine…”
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Densification, microstructure, and mechanical properties of heat-treated MAR-M247 fabricated by Binder Jetting by Dahmen, T., Henriksen, N.G., Dahl, K.V., Lapina, A., Pedersen, D.B., Hattel, J.H., Christiansen, T.L., Somers, M.A.J.

“…Additive Manufacturing (AM) enables the design of complex part geometries for high-temperature applications. Laser Powder Bed Fusion or Direct Energy…”
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