| Name | ospgrillage JSON |
| Version |
0.3.1
JSON |
| download |
| home_page | |
| Summary | Bridge deck grillage analysis using OpenSeesPy |
| upload_time | 2023-08-29 13:54:33 |
| maintainer | |
| docs_url | None |
| author | |
| requires_python | >=3.8 |
| license | MIT |
| keywords |
bridge
grillage
openseespy
|
| VCS |
 |
| bugtrack_url |
|
| requirements |
No requirements were recorded.
|
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No Travis.
|
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|
[](https://github.com/psf/black)
[](https://opensource.org/licenses/MIT)
[]()
[]()
[](code_of_conduct.md)
[](https://codecov.io/gh/MonashSmartStructures/ospgrillage)
[](https://joss.theoj.org/papers/d44339b03dc4f1add2678167c1a1b6de)
[](https://zenodo.org/badge/latestdoi/365436121)
# Overview
*ospgrillage* is a python wrapper of the *OpenSeesPy* package to speed up the creation of bridge deck grillage models. [OpenSeesPy](openseespydoc.readthedocs.io) is a python interpreter of the well-know Open System for Earthquake Engineering Simulation ([OpenSees](https://opensees.berkeley.edu/)) software framework. *ospgrillage* provides a simple python API which allows users to:
1. Quickly generate and analyze a bridge deck grillage model in the *OpenSeesPy* model space, including many forms of loading and load cases;
2. Export a py file containing the *OpenSeesPy* commands, which on execution, creates the prescribed *OpenSeesPy* grillage model.
The ability to use *ospgrillage* directly to do bridge deck analysis, or to export the *OpenSeesPy* command file for further editing, facilites an enormous range of use cases in both practice and research.
## Documentation
*ospgrillage*'s full documentation can be found [here](https://monashsmartstructures.github.io/ospgrillage/index.html).
## Installation
Install using pip:
```bash
pip install ospgrillage
```
Refer to [installation](https://monashsmartstructures.github.io/ospgrillage/rst/Installation.html) for more information.
## Contributions
Check out our [contributing guide](https://github.com/MonashSmartStructures/ospgrillage/blob/main/.github/CONTRIBUTING.md) to learn more on contributing, coding rules, community Code of Conduct and more.
## Citing
If you use *ospgrillage* in you work, please cite the corresponding JOSS paper:
Ngan J.W. and Caprani, C.C. (2022), "ospgrillage: A bridge deck grillage analysis preprocessor for OpenSeesPy", *Journal of Open Source Software*, 7(77), 4404, [doi.org/10.21105/joss.04404](https://doi.org/10.21105/joss.04404)
# Capabilities
## Modelling
### Bridge Deck Models
- Beam elements only - a traditional form of model
- Beam elements with rigid links - a modification of the traditional form for box sections
- Shell and beam elements - the modern form of modelling, but with more complex results interpretation
### Meshing
- Single-span decks
- Skewed (Oblique) and Orthogonal meshes
- Positive and negative skew angles
- Allows for skew mesh to be set up to 30 degrees
- Allows for orthogonal mesh to be set no less than 11 degrees
- Grillage elements grouped automatically for easy assignment of properties
- Autodetect edges of spans as supporting nodes
- Allows for diaphragms / end slabs
- Allows for unit width properties for transverse slab/members
- Pinned and roller supports
### Element types
The following *OpenSees* element types are supported:
- `elasticBeamColumn`
- `TimoshenkoBeamColumn`
- Shell elements
## Materials
- A JSON materials library file for codified common material properties
## Utilities
### Load types
- Nodal loads
- Point loads
- Line loads
- Patch loads
- Compound loads (any combination of the above load types)
### Analysis
- Load cases contain arbitrary multiple load types, including compound loads
- Moving load analysis of arbitrary load types through compound loads
### Post-processing
- Output results utilise python's `xarray` format
- Retrieve result envelopes from `xarray` results
- Query options for moving load
- Plotting displacement and force component from the results
# Credits
- Mayer Melhem for producing the documentation illustrations and the design of the *ospgrillage* logo.
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