Nonlinear multibody dynamics of wind turbines
The project generated results in selected areas of flexible multibody wind turbine modelling. Monte Carlo statistical response simulations and failure probabilities require significantly reduced mechanical models.
Project description
The project will develop a non-linear structural analysis program for wind turbines based on the multibody principle. This requires development of system-reduction algorithms and efficient numerical time-integration algorithms to be used in a program for simulation of wind turbines based on the multibody principle.
Results
In this connection, one part of the project focused on algorithm development for reduced degree of internal freedom models in blades, transmission system and tower with quasi-static correction for high-frequency modes. The other part of the project developed a number of algorithms conserving energy (thus being absolutely stable) as well as linear momentum over a given period of time.
Key figures
Period:
2005 - 2007
Funding year:
2004
Own financial contribution:
0.25 mio. DKK
Grant:
3.70 mio. DKK
Funding rate:
94 %
Project budget:
3.95 mio. DKK
Category
Oprindelig title
Ikkel-lineær multibody dynamik af vindmøller
Programme
Innovationsfonden
Technology
Wind
Case no.
ENMI 2104-04-0028
Participants
Aalborg Universitet (Fredrik Bajers Vej) (Main Responsible)
Partners and economy
| Partner | Subsidy | Auto financing |
|---|---|---|
| Danmarks Tekniske Universitet (DTU) | ||
| SIEMENS WIND POWER A/S |
Contact
Kontakperson
Nielsen, Søren R.K.
Comtact information
Aalborg Universitet. Institut for Byggeri og AnlægSohngaardsholmsvej 57
DK-9000 Aalborg, Denmark
Nielsen, Søren R.K. (prof.), 99408451,
Øvr. Partnere: Institut for Mekanik, Energi og Konstruktion; Siemens Windpower A/S
