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1. US20070179765 - Method for solving transient solution and dynamics in film blowing process

Office
United States of America
Application Number 10590113
Application Date 18.02.2005
Publication Number 20070179765
Publication Date 02.08.2007
Publication Kind A1
IPC
G06G 7/00
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
GANALOGUE COMPUTERS
7Devices in which the computing operation is performed by varying electric or magnetic quantities
G06G 7/48
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
GANALOGUE COMPUTERS
7Devices in which the computing operation is performed by varying electric or magnetic quantities
48Analogue computers for specific processes, systems, or devices, e.g. simulators
Applicants HYUN JAE-CHUN
JUNG HYUN-WOOK
SONG HYUN-SEOB
KIM HYUN-CHUL
LEE JOO-SUNG
SHIN DONG-MYEONG
Inventors Hyun Jae-Chun
Jung Hyun-Wook
Song Hyun-Seob
Kim Hyun-Chul
Lee Joo-Sung
Shin Dong-Myeong
Agents BIRCH STEWART KOLASCH &; BIRCH
Title
(EN) Method for solving transient solution and dynamics in film blowing process
Abstract
(EN)

The present invention concerns the dynamics and yielding of transient solutions for the film-blowing process. After solving the governing equations that takes into consideration the viscoelasticity and cooling characteristics of the film, a coordinate transformation was done to change the free-end-point problem into a fixed-end-point one. Then finally, by introducing Newton's method along with OCFE (Orthogonal Collocation on Finite Elements), a transient solution for the process was obtained.


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