v2.1.2

LAYERED SLABS ON COMPLIANT WEAK LAYERS

WEAC v2.1 provides Python 🐍 implementations of closed-form analytical models for the mechanical analysis of stratified snow covers on compliant weak layers.

BUG FIXES

v2.1.2

• Add wrapper for the (re)calculation of the fundamental system

v2.1.1

• Make sign of inclination phi consistent with the coordinate system (positive counterclockwise)
• Add dimension arguments to field-quantity methods
• Improved aspect ratio of profile views and contour plots
• Improved plot labels
• Provide convenience methods for the export of weak-layer stresses and slab deformations

FEATURES

• Consistent use of coordinate system with downward pointing z-axis
• Consitent top-to-bottom numbering of slab layers
• Implementation of PSTs cut from either left or right side

Full Changelog: https://github.com/2phi/weac/commits/v2.1.2

v2.1.1

LAYERED SLABS ON COMPLIANT WEAK LAYERS

WEAC v2.1 provides Python 🐍 implementations of closed-form analytical models for the mechanical analysis of stratified snow covers on compliant weak layers.

BUG FIXES

v2.1.1

• Make sign of inclination phi consistent with the coordinate system (positive counterclockwise)
• Add dimension arguments to field-quantity methods
• Improved aspect ratio of profile views and contour plots
• Improved plot labels
• Provide convenience methods for the export of weak-layer stresses and slab deformations

FEATURES

• Consistent use of coordinate system with downward pointing z-axis
• Consitent top-to-bottom numbering of slab layers
• Implementation of PSTs cut from either left or right side

Full Changelog: https://github.com/2phi/weac/commits/v2.1.1

v2.1.0

LAYERED SLABS ON COMPLIANT WEAK LAYERS

WEAC v2.1 provides Python 🐍 implementations of closed-form analytical models for the mechanical analysis of stratified snow covers on compliant weak layers.

FEATURES

• Consistent use of coordinate system with downward pointing z-axis
• Consitent top-to-bottom numbering of slab layers
• Implementation of PSTs cut from either left or right side

Full Changelog: https://github.com/2phi/weac/commits/v2.1.0

v2.0.3

LAYERED SLABS ON COMPLIANT WEAK LAYERS

WEAC v2.0 provides Python 🐍 implementations of closed-form analytical models for the mechanical analysis of stratified snow covers on compliant weak layers.

BUG FIXES

v2.0.3

• Added automatic version bumping

v2.0.2

• Fixed PyPI version error

v2.0.1

• Fixed PyPI publish workflow

FEATURES

• Completely rewritten in Python
• Coupled bending-extension ODE solver implemented
• Stress analysis of arbitrarily layered snow slabs
• FEM validated
  • displacements
  • weak-layer stresses
  • energy release rates in weak layers
• Documentation
• Demo and examples

Full Changelog: https://github.com/2phi/weac/commits/v2.0.3

v2.0.2

LAYERED SLABS ON COMPLIANT WEAK LAYERS

WEAC v2.0 provides Python 🐍 implementations of closed-form analytical models for the mechanical analysis of stratified snow covers on compliant weak layers.

BUG FIXES

v2.0.2

• Fixed PyPI version error

v2.0.1

• Fixed PyPI publish workflow

FEATURES

• Completely rewritten in Python
• Coupled bending-extension ODE solver implemented
• Stress analysis of arbitrarily layered snow slabs
• FEM validated
  • displacements
  • weak-layer stresses
  • energy release rates in weak layers
• Documentation
• Demo and examples

Full Changelog: https://github.com/2phi/weac/commits/v2.0.2

v2.0.1

LAYERED SLABS ON COMPLIANT WEAK LAYERS

WEAC v2.0 provides Python 🐍 implementations of closed-form analytical models for the mechanical analysis of stratified snow covers on compliant weak layers.

BUG FIXES

v2.0.1

• Fixed PyPI publish workflow

FEATURES

• Completely rewritten in Python
• Coupled bending-extension ODE solver implemented
• Stress analysis of arbitrarily layered snow slabs
• FEM validated
  • displacements
  • weak-layer stresses
  • energy release rates in weak layers
• Documentation
• Demo and examples

Full Changelog: https://github.com/2phi/weac/commits/v2.0.1

v2.0.0

LAYERED SLABS ON COMPLIANT WEAK LAYERS

WEAC v2.0 provides Python 🐍 implementations of closed-form analytical models for the mechanical analysis of stratified snow covers on compliant weak layers.

FEATURES

• Completely rewritten in Python
• Coupled bending-extension ODE solver implemented
• Stress analysis of arbitrarily layered snow slabs
• FEM validated
  • displacements
  • weak-layer stresses
  • energy release rates in weak layers
• Documentation
• Demo and examples

Full Changelog: https://github.com/2phi/weac/commits/v2.0.0

v1.0.0

SNOW SLAB AVALANCHE RELEASE

WEAC v1.0.0 provides MATLAB implementations of closed-form analytical models for the mechanical analysis of homogeneous dry-snow slabs on compliant weak layers and the prediction of anticrack onset. Please refer to the companion papers for a full documentation of the model derivation:

• Rosendahl, P. L., & Weißgraeber, P. (2020). Modeling snow slab avalanches caused by weak-layer failure – Part 1: Slabs on compliant and collapsible weak layers. The Cryosphere, 14(1), 115–130. https://doi.org/10.5194/tc-14-115-2020
• Rosendahl, P. L., & Weißgraeber, P. (2020). Modeling snow slab avalanches caused by weak-layer failure – Part 2: Coupled mixed-mode criterion for skier-triggered anticracks. The Cryosphere, 14(1), 131–145. https://doi.org/10.5194/tc-14-131-2020

FEATURES

• Slab deformation analysis
• Weak-layer stress prediction
• Finite fracture mechanics implementation
• Anticrack nucleation

Full Changelog: https://github.com/2phi/weac/commits/v1.0.0