{"id":16494736,"url":"https://github.com/adtzlr/fiberreinforcedrubber","last_synced_at":"2026-05-08T23:13:25.306Z","repository":{"id":189937577,"uuid":"655233802","full_name":"adtzlr/fiberreinforcedrubber","owner":"adtzlr","description":"Numeric simulation for a test specimen with a fiber-reinforced rubber composite","archived":false,"fork":false,"pushed_at":"2024-04-02T15:30:18.000Z","size":7664,"stargazers_count":1,"open_issues_count":1,"forks_count":0,"subscribers_count":2,"default_branch":"main","last_synced_at":"2025-02-23T08:55:16.219Z","etag":null,"topics":["cord-rubber-composite","damage-mechanisms","delamination","fatigue-testing","finite-elements-analysis","tomography"],"latest_commit_sha":null,"homepage":"https://www.doi.org/10.1007/s10443-023-10157-1","language":"Python","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/adtzlr.png","metadata":{"files":{"readme":"README.md","changelog":"CHANGELOG.md","contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":"CITATION.cff","codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null}},"created_at":"2023-06-18T09:48:29.000Z","updated_at":"2024-03-16T18:14:21.000Z","dependencies_parsed_at":"2024-03-10T09:37:59.915Z","dependency_job_id":"50b2fcb5-144f-4ce3-a9ca-f98a729c4859","html_url":"https://github.com/adtzlr/fiberreinforcedrubber","commit_stats":null,"previous_names":["adtzlr/fiberreinforcedrubber"],"tags_count":3,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/adtzlr%2Ffiberreinforcedrubber","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/adtzlr%2Ffiberreinforcedrubber/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/adtzlr%2Ffiberreinforcedrubber/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/adtzlr%2Ffiberreinforcedrubber/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/adtzlr","download_url":"https://codeload.github.com/adtzlr/fiberreinforcedrubber/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":241348205,"owners_count":19948157,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["cord-rubber-composite","damage-mechanisms","delamination","fatigue-testing","finite-elements-analysis","tomography"],"created_at":"2024-10-11T14:15:26.227Z","updated_at":"2025-11-26T04:01:30.099Z","avatar_url":"https://github.com/adtzlr.png","language":"Python","funding_links":[],"categories":[],"sub_categories":[],"readme":"\u003cp align=\"center\"\u003e\n  \u003ca href=\"https://felupe.readthedocs.io/en/latest/?badge=latest\"\u003e\u003cimg src=\"https://user-images.githubusercontent.com/5793153/235789118-eb03eb25-2556-401d-8a0f-580f37e72f8d.png\" height=\"40px\"/\u003e\u003c/a\u003e\n  \u003cp align=\"center\"\u003e\u003cimg src=\"docs/images/test_specimen_mesh_fibre.png\" height=\"150px\"/\u003e\u003c/p\u003e\n  \u003cp align=\"center\"\u003e\u003cb\u003eFiber-Reinforced-Rubber\u003c/b\u003e\u003c/p\u003e\n  \u003cp align=\"center\"\u003e\u003cem\u003eNumeric simulation of a test specimen with a fiber-reinforced rubber composite.\u003c/em\u003e\u003c/p\u003e\n\u003c/p\u003e\n\n![GitHub release (latest by date)](https://img.shields.io/github/v/release/adtzlr/fiberreinforcedrubber?color=green) [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/license/mit/) [![codecov](https://codecov.io/gh/adtzlr/fiberreinforcedrubber/graph/badge.svg?token=xj9e2kmMA4)](https://codecov.io/gh/adtzlr/fiberreinforcedrubber) [![DOI:10.1017/cbo9781316336144](https://zenodo.org/badge/DOI/10.1007/s10443-023-10157-1.svg)](https://doi.org/10.1007/s10443-023-10157-1) ![Codestyle black](https://img.shields.io/badge/code%20style-black-black) \u003ca target=\"_blank\" href=\"https://colab.research.google.com/github/adtzlr/fiberreinforcedrubber/blob/main/docs/notebooks/ex01_specimen_amplitudes.ipynb\"\u003e\u003cimg src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/\u003e\u003c/a\u003e\n\nThis repository provides the reproducible simulation data of the paper\n\n\u003e 📘 J. Torggler et al., \"Investigating Damage Mechanisms in Cord-Rubber Composite Air Spring Bellows of Rail Vehicles and Representative Specimen Design\", Applied Composite Materials. Springer Science and Business Media LLC, Aug. 22, 2023. [![DOI:10.1017/cbo9781316336144](https://zenodo.org/badge/DOI/10.1007/s10443-023-10157-1.svg)](https://doi.org/10.1007/s10443-023-10157-1).\n\n(also including a few extras).\n\n# Installation\nInstall [Python](https://www.python.org/downloads/) 3.8+, either [download](https://github.com/adtzlr/fiberreinforcedrubber/archive/refs/heads/main.zip) and unpack or [clone this repository](https://docs.github.com/de/repositories/creating-and-managing-repositories/cloning-a-repository), \n\n```\ngit clone https://github.com/adtzlr/fiberreinforcedrubber.git\n```\n\nopen a terminal and install the package along with its dependencies from a local directory.\n\n```\npip install ./fiberreinforcedrubber\n```\n\n# Usage\nEdit and run the scripts in the tests folder [`test_specimen_simulation.py`](tests/test_specimen_simulation.py) and [`test_specimen_strain.py`](tests/test_specimen_strain.py). Additionally, some more normal fiber force views on the test specimens are provided by [`test_specimen_amplitudes.py`](tests/test_specimen_amplitudes.py) and [`test_specimen_amplitudes_max_diff.py`](tests/test_specimen_amplitudes_max_diff.py).\n\n\u003ca target=\"_blank\" href=\"https://colab.research.google.com/github/adtzlr/fiberreinforcedrubber/blob/main/docs/notebooks/ex01_specimen_amplitudes.ipynb\"\u003e\u003cimg src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/\u003e\u003c/a\u003e\n\n# Results\nThe scripts generate undeformed and deformed views on the test specimen, force-displacement characteristic curves of the test specimen as well as plots of the strain distribution. Results are stored in [docs/images/](docs/images/).\n\n## Undeformed Views\nThe views on the undeformed test specimen show the quad mesh for the rubber and the (helper) meshes for the fibers.\n\n\u003cp align=\"center\"\u003e\n  \u003cimg src=\"docs/images/test_specimen_mesh_rubber.png\" height=\"300px\"/\u003e    \u003cimg src=\"docs/images/test_specimen_mesh_fibre.png\" height=\"300px\"/\u003e\n\u003c/p\u003e\n\n## Deformed Views\nThe views on the deformed test specimen are carried out for $F_Z=3$ kN ($V=7$ mm) at $U=23$ mm.\n\nFirst, the fiber normal forces per undeformed area are shown (for each fiber family).\n\n![](docs/images/test_specimen_deformed_fibre-1.png)\n\n![](docs/images/test_specimen_deformed_fibre-2.png)\n\nNext, the max. principal values of the Cauchy stress of the rubber matrix are shown.\n\n![](docs/images/test_specimen_deformed_rubber.png)\n\nThe absolute force difference between the two fiber families is plotted on the quad-mesh.\n\n![](docs/images/test_specimen_deformed_fibre-difference.png)\n\nFor a cycle of $U=\\pm23$ mm (at $F_Z=3$ kN) the normal force ranges (double amplitudes) of the fiber families are plotted:\n\na) separated for each fiber family\n\n![](docs/images/test_specimen_deformed_fibre-amplitudes-1.png)\n\n![](docs/images/test_specimen_deformed_fibre-amplitudes-2.png)\n\nb) the maximum value, taking both fiber families into account\n\n![](docs/images/test_specimen_deformed_fibre-range-max.png)\n\n## Force-displacement characteristic curves\n\n![](docs/images/test_specimen_forces_vs_displacement.svg)\n\n[Table of Force-Displacement Data](docs/images/test_specimen_forces_vs_displacement.md) [(csv)](docs/images/test_specimen_forces_vs_displacement.csv)\n\n## Strain distribution\n\nThe strain distribution of $\\varepsilon_{yy}$ is evaluated at an applied tension of $V=6$ mm\n\n![](docs/images/LogStrainYY_V=6mm.svg)\n\nand of $V=7$ mm, both located in the middle of the height of the test specimen (at $Y=0$).\n\n![](docs/images/LogStrainYY_V=7mm.svg)\n\n[Table of Strain Distribution (6 mm)](docs/images/LogStrainYY_V=6mm.md) [(csv)](docs/images/LogStrainYY_V=6mm.csv)\n\n[Table of Strain Distribution (7 mm)](docs/images/LogStrainYY_V=7mm.md) [(csv)](docs/images/LogStrainYY_V=7mm.csv)\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fadtzlr%2Ffiberreinforcedrubber","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fadtzlr%2Ffiberreinforcedrubber","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fadtzlr%2Ffiberreinforcedrubber/lists"}