STOCHASTIC STRUCTURAL ANALYSIS FOR CONTEXT-AWARE DESIGN AND FABRICATION

Number: 20180165391
Published: 2018-06-14
Filed: 2017-12-11
Assignee: Disney Enterprises, Inc.
Inventors: Levin; David Isaac William; Dror; Daniel; Langlois; Timothy Richard; Matusik; Wojciech; Shamir; Ariel
CPC: G06F30/00; G06F30/23
Verdict: Low Notable software
Source: Google Patents · FreePatentsOnline

The keeper's note

Stochastic structural analysis for fabrication design.

Abstract

One embodiment provides a method for identifying a probability that an object will fail, comprising: generating a plurality of force distributions for an object, wherein a force distribution simulates an amount of force on the object resulting from an activity with the object; compressing the plurality of force distributions into a set of conditions; performing an analysis on the set of conditions to determine a stress experienced by the object; and identifying a probability that the object will fail, wherein the identifying comprises determining whether the stress experienced by the object exceeds a yield stress of the object. Other aspects are described and claimed.

Background

BACKGROUND

When building or designing objects (e.g., structures, toys, dishes, furniture, etc.) a determination of whether the object will fail under operating conditions is important. For example, when an engineer is designing a bridge, the engineer wants to know the value for the normal or maximum operating forces (e.g., downward forces caused by people or vehicles on the bridge, lateral wind forces, etc.) that will be exerted on the bridge. Using the values for the operating forces, the engineer can then design the bridge to withstand these expected or anticipated operating forces. Commonly structures are designed to withstand a multitude of the expected operating forces to account for unexpected loads and conditions. To determine whether the object will fail, an analysis is typically undertaken using a digital model of the physical structure which indicates whether and how the object will fail under the expected or anticipated forces specified in the analysis, but do not perform analysis based on forces that are unexpected. The designer may modify the design so that the object will not fail under the conditions considered in the analysis.

Many failure-inducing forces, however, fall outside the realm of what is expected or anticipated by the designer. This is particularly true in smaller objects such as toys and product packaging where the object may be subjected to a wide variety of forces in practice. A toy bridge, for example, does not just endure well-chara

Claims

1. A method for identifying a probability that an object will fail, comprising: generating a plurality of force distributions for an object, wherein a force distribution simulates an amount of force on the object resulting from an activity with the object; reducing the plurality of force distributions into a set of sample forces; performing an analysis on the set of sample forces to determine a stress experienced by the object; and identifying a probability that the object will fail, wherein the identifying comprises determining whether the stress experienced by the object exceeds a yield stress of the object. 12. A stochastically analyzed object created using steps of: generating a plurality of force distributions for an object, wherein a force distribution simulates an amount of force on the object resulting from an activity with the object; reducing the plurality of force distributions into a set of sample forces; performing an analysis on the set of sample forces to determine a stress experienced by the object; and identifying a probability that the object will fail, wherein the identifying comprises determining whether the stress experienced by the object exceeds a yield stress of the object. 20. A program product for identifying a probability that an object will fail, comprising: a computer readable storage device having code embodied therewith, the code being executable by the processor and comprising: code that generates a plurality of force distributions for an object, wherein a force distribution simulates an amount of force on the object resulting from an activity with the object; code that compresses the plurality of force distributions into a set of conditions; code that performs an analysis on the set of conditions to determine a stress experienced by the object; and code that identifies a probability that the object will fail, wherein the identifying comprises determining whether the stress experienced by the object exceeds a yield stress of the object.