
Title

Wissens und datenbankbasiertes Beratungssystem fr die FESimulation von Umformprozessen (PSU Prozesimulation in der Umformtechn,Used
Delivery time: 8-12 business days (International)
Die vorliegende Arbeit entstand whrend meiner Ttigkeit als wissenschaftlicher Mitarbeiter am Lehrstuhl fr Umformende Fertigungsverfahren der Universitt Dortmund. Herrn Prof. Dr. Ing. Eberhard von Finckenstein danke ich fr die bernalune des Hauptreferats und der damit verbundenen Unterstzung meiner Arbeit. Mein Dank gilt ebenfalls den Korreferenten Herrn Prof. Dr. Ing. A. Behrens und Herrn Priv. Doz. Dr. Ing. M. Kleiner fr die Durchsicht der Arbeit. Besonders danken mchte ich an dieser Stelle auch allen Mitarbeitern des Lehrstuhls und allen Kollegen des Projektes 'Prozesimulation in der Umform technik', die wesentlich zum Gelingen der Arbeit beigetragen haben. Freiburg i. Br., Juni 1994 Andreas Greve Inhaltsverzeichnis 1 Einleitung. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2 Stand der Kenntnisse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2. 1 Entwicklung der Prozesimulation in der Umformtechnik . . . 21 2. 1. 1 Geschichtliche Entwicklung ., . . . . . . . . . . . . . . . . . . . 22 2. 1. 2 Entwicklungstendenzen . . . . . . . . . . . . . . . . . . . . . . . . 27 2. 2 Datenbankeinsatz bei der Prozesimulation . . . . . . . . . . . . . . 30 2. 3 Expertensysteme zur Beratung bei umformtechnischen Fra stellungen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 3 Ziel der Arbeit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 4 Konzept eines Beratungssystems fr den FEAnwender 42 4. 1 Arbeitsweise und Mglichkeiten von Expertensystemen 42 4. 2 Grundlegende Aspekte zur FEBeratung . . . . . . . . . . . . . . . . 49 4. 3 Struktur der Wissensbasis fr die FEBeratung. . . . . . . . . . . 54 5 Einsatz des Beratungssystems zur Elementtypwahl . . . . . . . . 60 5. 1 Kriterien der Elementtypwahl . . . . . . . . . . . . . . . . . . . . . . . . 60 5. 2 Aufbau des Elementberatungssystems . . . . . . . . . . . . . . . . . . 65 6 Werkstoffdaten in der Prozesimulation . . . . . . . . . . . . . . . . . . 73 6. 1 Simulation des Werkstoffilusses . . . . . . . . . . . . . . . . . . . . . . . 73 6. 2 Zwischenschichtphnomene . . . . . . . . . . . . . . . . . . . . . . . . . . 86 6. 3 Versagensmodelle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 10 7 Datenbankbasierte Materialdatenverwaltung MDV . . . . . . . . . 96 7. 1 Allgemeine Aspekte und Anforderungen. . . . . . . . . . . . . . . . . 96 7. 2 Entwurf der SQLMaterialdatenbank . . . . . . . . . . . . . . . . . . .
By changing our most important processes and
products, we have already made a big leap forward. This ranges from the
increased use of more sustainable fibers to the use of more
environmentally friendly printing processes to the development of
efficient waste management in our value chain.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, please visit www.P65Warnings.ca.gov.
Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Shipping & Returns
Shipping
We ship your order within 2–3 business days for USA deliveries and 5–8 business days for international shipments. Once your package has been dispatched from our warehouse, you'll receive an email confirmation with a tracking number, allowing you to track the status of your delivery.
Returns
To facilitate a smooth return process, a Return Authorization (RA) Number is required for all returns. Returns without a valid RA number will be declined and may incur additional fees. You can request an RA number within 15 days of the original delivery date. For more details, please refer to our Return & Refund Policy page.
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Warranty
We provide a 2-year limited warranty, from the date of purchase for all our products.
If you believe you have received a defective product, or are experiencing any problems with your product, please contact us.
This warranty strictly does not cover damages that arose from negligence, misuse, wear and tear, or not in accordance with product instructions (dropping the product, etc.).
Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.
Secure Payment
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
We accept payments with :
Visa, MasterCard, American Express, Paypal, Shopify Payments, Shop Pay and more.