Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Generalized Hooke's Law01:22

Generalized Hooke's Law

1.9K
The generalized Hooke's Law is a broadened version of Hooke's Law, which extends to all types of stress and in every direction. Consider an isotropic material shaped into a cube subjected to multiaxial loading. In this scenario, normal stresses are exerted along the three coordinate axes. As a result of these stresses, the cubic shape deforms into a rectangular parallelepiped. Despite this deformation, the new shape maintains equal sides, and there is a normal strain in the direction of the...
1.9K
Elastic Strain Energy for Shearing Stresses01:20

Elastic Strain Energy for Shearing Stresses

322
As discussed in previous lessons, strain energy in a material is the energy stored when it is elastically deformed, a concept crucial in materials science and mechanical engineering. This energy results from the internal work done against the cohesive forces within the material. When a material undergoes shearing stress and corresponding shearing strain, the strain energy density, which is the energy stored per unit volume, is calculated. Within the elastic limit, where the stress is...
322
Plastic Deformations of Members with a Single Plane of Symmetry01:21

Plastic Deformations of Members with a Single Plane of Symmetry

176
When a structural member undergoes plastic deformation due to bending, it is crucial to understand the position of the neutral axis and the stress distribution. This member, characterized by a single plane of symmetry, exhibits a uniform stress distribution, with negative stress above the neutral axis and positive stress below. Notably, the neutral axis does not align with the centroid of the cross-section. This misalignment is typical in cases where the cross-section is not rectangular or...
176
Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity01:15

Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity

368
Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
368
Bending of Material: Problem Solving01:09

Bending of Material: Problem Solving

300
In this lesson, determine the ratio of the maximum bending moments applied to two metal pipes, given that both pipes can withstand a maximum stress of 100 MPa. Both pipes have an outer radius of 1.8 cm. Pipe A has an inner radius of 1.5 cm, and Pipe B has an inner radius of 1 cm. The ratio of the maximum bending moment applied to two metallic pipes, each with a different inner and outer radius, is determined by considering their dimensions. The inner radius of the first pipe is 1.5 cm, and for...
300
Impact01:30

Impact

273
Impact occurs when two bodies collide, leading to the application of impulsive forces between them. Analyzing impact mechanics involves considering two colliding particles moving along a line known as the line of impact, which passes through their centers and is perpendicular to the contact plane.
When particles with different initial velocities collide, they induce deformation by applying equal and opposite impulses. At the point of maximum deformation, the particles move together with...
273

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Ocean currents break up a tabular iceberg.

Science advances·2022
Same author

Ocean-induced melt volume directly paces ice loss from Pine Island Glacier.

Science advances·2021
Same author

A Generalized Interpolation Material Point Method for Shallow Ice Shelves. 1: Shallow Shelf Approximation and Ice Thickness Evolution.

Journal of advances in modeling earth systems·2021
Same author

Ice-shelf retreat drives recent Pine Island Glacier speedup.

Science advances·2021
Same author

Pervasive ice sheet mass loss reflects competing ocean and atmosphere processes.

Science (New York, N.Y.)·2020
Same author

Regularized Coulomb Friction Laws for Ice Sheet Sliding: Application to Pine Island Glacier, Antarctica.

Geophysical research letters·2019

Related Experiment Video

Updated: Oct 18, 2025

A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation
09:12

A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation

Published on: June 28, 2015

8.7K

A Generalized Interpolation Material Point Method for Shallow Ice Shelves. 2: Anisotropic Nonlocal Damage Mechanics

Alex Huth1,2, Ravindra Duddu3,4, Ben Smith5

  • 1Department of Earth and Space Sciences University of Washington Seattle WA USA.

Journal of Advances in Modeling Earth Systems
|October 1, 2021
PubMed
Summary

This study introduces a new creep damage model for simulating ice shelf fracture, improving predictions of Antarctic ice loss from calving. Anisotropic damage modeling better captures fracture patterns and weakening over shorter timescales.

Keywords:
Damagefractureglaciologyice shelvesmaterial point methodparticle method

More Related Videos

Simulating Impacts of Ice Storms on Forest Ecosystems
06:27

Simulating Impacts of Ice Storms on Forest Ecosystems

Published on: June 30, 2020

7.1K
Analyzing Melts and Fluids from Ab Initio Molecular Dynamics Simulations with the UMD Package
06:37

Analyzing Melts and Fluids from Ab Initio Molecular Dynamics Simulations with the UMD Package

Published on: September 17, 2021

4.7K

Related Experiment Videos

Last Updated: Oct 18, 2025

A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation
09:12

A Method for Studying the Temperature Dependence of Dynamic Fracture and Fragmentation

Published on: June 28, 2015

8.7K
Simulating Impacts of Ice Storms on Forest Ecosystems
06:27

Simulating Impacts of Ice Storms on Forest Ecosystems

Published on: June 30, 2020

7.1K
Analyzing Melts and Fluids from Ab Initio Molecular Dynamics Simulations with the UMD Package
06:37

Analyzing Melts and Fluids from Ab Initio Molecular Dynamics Simulations with the UMD Package

Published on: September 17, 2021

4.7K

Area of Science:

  • Glaciology
  • Climate Science
  • Computational Mechanics

Background:

  • Ice shelf fracture, primarily through calving, accounts for approximately 50% of Antarctic ice mass loss.
  • Current models struggle to accurately represent ice sheet response to climate change due to uncertainties in fracture processes.
  • Understanding and modeling ice shelf fracture is crucial for predicting future sea-level rise.

Purpose of the Study:

  • To develop and implement an advanced model for simulating ice shelf fracture evolution, from crevasse initiation to calving.
  • To compare the performance of a new creep damage model against traditional crevasse-depth models.
  • To investigate the role of anisotropic damage and material point methods in fracture modeling.

Main Methods:

  • Implementation of an anisotropic, nonlocal integral formulation of creep damage within a shallow-shelf ice flow model.
  • Utilizing the material point method for an efficient numerical framework, minimizing advection errors.
  • Testing the creep damage model and a crevasse-depth model on an idealized marine ice sheet.

Main Results:

  • The creep damage model effectively captures ice shelf weakening and rifting on monthly to yearly timescales.
  • Anisotropic damage modeling demonstrates superior reproduction of observed fracture patterns compared to isotropic damage.
  • Necking and mass balance significantly impact damage evolution on decadal timescales.

Conclusions:

  • The developed creep damage model offers improved simulation capabilities for ice shelf fracture and calving.
  • Anisotropic damage is essential for accurately representing fracture patterns in ice shelves.
  • Future long-term simulations may benefit from a combined modeling approach integrating creep damage, necking, and mass balance effects.