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Related Concept Videos

Plastic Behavior01:21

Plastic Behavior

A material's elastic behavior is characterized by the disappearance of stress once the load is removed, allowing the material to return to its original state. However, when stress surpasses the yield point, yielding commences, marking the onset of plastic deformation or permanent set. This change from elastic to plastic behavior is influenced by the peak stress value and the duration before the load is removed. An intriguing observation occurs when a specimen is loaded, unloaded, and reloaded.
Plastic Deformations01:14

Plastic Deformations

It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...
Plastic Deformations01:19

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Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their original...
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Related Experiment Video

Updated: Jul 11, 2026

Quantification of Strain in a Porcine Model of Skin Expansion Using Multi-View Stereo and Isogeometric Kinematics
14:14

Quantification of Strain in a Porcine Model of Skin Expansion Using Multi-View Stereo and Isogeometric Kinematics

Published on: April 16, 2017

Wall Street's growing influence on plastic surgery.

L M Krieger1, W W Shaw

  • 1Department of Surgery, UCLA Medical Center, Los Angeles, Calif 90095, USA. lkrieger@ucla.edu

Plastic and Reconstructive Surgery
|May 16, 2000
PubMed
Summary
This summary is machine-generated.

The healthcare system now uses Wall Street financing, shifting from nonprofit models. Plastic surgeons can adapt by understanding stock market demands for predictable costs and outcomes.

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Area of Science:

  • Health economics
  • Financial management in healthcare

Background:

  • Managed care introduced market forces into healthcare.
  • A significant trend is the shift from nonprofit to Wall Street-based financing for health organizations.

Purpose of the Study:

  • To quantify the financial structure changes in health organizations from the 1980s to the present.
  • To examine the reasons for this shift and the role of the stock market in healthcare financing.

Main Methods:

  • Comparative analysis of health organizations' financial structures in the 1980s versus contemporary data.
  • Review of key financial measures and stock market mechanisms.

Main Results:

  • Healthcare has increasingly adopted stock market financing as its primary method.
  • The stock market values companies based on future earnings, emphasizing predictability in costs, revenues, and profits.

Conclusions:

  • Plastic surgeons must understand Wall Street financing to navigate the evolving healthcare market.
  • Key strategies include measuring costs and outcomes, demanding data from stakeholders, and leveraging market openness for innovation and capital access.