
Title

Analyse modale operationnelle des structures non stationnaires (Omn.Pres.Franc.) (French Edition),Used
Delivery time: 8-12 business days (International)
Lobjectif principal de ltude est de dvelopper un logiciel danalyse modale automatique qui fonctionne sur une machine en opration partir de la connaissance des rponses vibratoires seulement. Lapplication envisage est lanalyse modale des turbines hydrauliques immerges et excites par un coulement turbulent, en vue de dterminer les masses et amortissement ajouts, en vue de dterminer les contraintes dynamiques dues lamplification du systme vibratoire. Cette thse prsente donc une recherche sur lanalyse modale des machines ou structures en opration, par utilisation dun modle autorgressif. Comme ce type de systme mcanique peut tre instationnaire, avec des paramtres physiques variant dans le temps, une nouvelle mthode de suivi dans le temps et de surveillance en ligne des paramtres modaux a t dveloppe et introduite dans un logiciel de suivi des frquences et amortissement de systmes instationnaires en opration.
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.
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.