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Toyobo develops clothing pressure simulation technology

08 Aug '08
4 min read

Moreover, there was no technology for calculating form-fitted clothing worn tightly. Toyobo, however, has recently achieved technology that very accurately calculates clothing pressure.

This technology has two main characteristics:
(1) It predicts and calculates the clothing pressure of a fabric without the need for sewing and enables detailed calculation of the clothing pressure distribution.
(2) It selects the optimum fabric and pattern in relation to the designed clothing pressure without the need for sewing.

The mechanism of the clothing pressure simulation technology is shown below:
(1) Creation of knitted material model

Two characteristics of the elongation deformation of knitted materials, as shown below:
[1] There is no proportional relationship between the tensile length (displacement) and the force that is being exerted (load) nonlinear.
[2] Elongation deformation behaviors are different in vertical, horizontal and diagonal directions (anisotropy).
We created a knitted material model that represents these characteristics.

(2) Construction of dressing calculation technology
In the calculation process of mapping the pattern data onto the human body data, due to the curvature in human body data, direct calculation causes wrinkles in the dress pattern data, resulting in the halt of the calculation.

As a solution, we placed a cylindrical intermediary between the pattern data and human body data and stabilized the calculation.

Toyobo Co Ltd

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