Hello everybody, i am trying to calculate the gradient of the hydrostatic stress within the UMATH routine and i obtained the hydrostatic stresses in the integration points. How is it possible to calculate the hydrostatic stress gradients with abaqus similar to these works ? https://www.researchgate.net/profile/Uday_Girajavagol/post/I_am_using_UMATHT_subroutine_for_modelling_of_hydrogen_diffusion_in_ABAQUS_How_to_calculate_gradient_of_hydrostatic_stress_in_subroutine_in_ABAQUS/attachment/59d624f66cda7b8083a20b84/AS%3A418545532981255%401476800439800/download/Coupled+Analysis+of+hydrogen+Transport+using+ABAQUS.pdf https://www.researchgate.net/profile/Uday_Girajavagol/post/I_am_using_UMATHT_subroutine_for_modelling_of_hydrogen_diffusion_in_ABAQUS_How_to_calculate_gradient_of_hydrostatic_stress_in_subroutine_in_ABAQUS/attachment/59d624f66cda7b8083a20b85/AS%3A418545541369856%401476800441555/download/Modelling+the+coupling+between+hydrogen+diffusion+and+the+mechanical.pdf Best regards

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I am using UMATHT subroutine for modelling of diffusion in ABAQUS. How to calculate gradient ?

Thread starter bbah123
Start date Jul 6, 2020

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Jul 6, 2020

bbah123

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Hello everybody,
i am trying to calculate the gradient of the hydrostatic stress within the UMATH routine and i obtained the hydrostatic stresses in the integration points. How is it possible to calculate the hydrostatic stress gradients with abaqus similar to these works ?

https://www.researchgate.net/profil...alysis+of+hydrogen+Transport+using+ABAQUS.pdf

https://www.researchgate.net/profil...een+hydrogen+diffusion+and+the+mechanical.pdf

Best regards