41514 – Dynamics of Machinery – Rotor Dynamics –

1. Rotating Machine Components – An Overview

2. Finite Element Modeling – The Elements

3. Finite Element Modeling – The Global Model

4. Theoretical & Experimental Example 1 (flexible rotor)

5. Theoretical & Experimental Example 2 (flexible rotor + structure)

6. References

http://www.dtu.dk/http://www.mek.dtu.dk/

• Shaft, Impeller, Bearing, Blades, Coupling, Seals 1. Rotating Machine Components

http://www.mek.dtu.dk/

• Shaft, Impeller, Bearing, Blades, Coupling, Seals 1. Rotating Machine Components

http://www.mek.dtu.dk/

• Shaft, Impeller, Bearing, Blades, Coupling, Seals 1. Rotating Machine Components

http://www.mek.dtu.dk/http://www.google.dk/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http%3A%2F%2Fwww.flugrevue.de%2Fflugzeugbau%2Ftriebwerke%2Ftop-10-die-staerksten-flugzeugtriebwerke-platz-6-rolls-royce-trent-1000-g%2F525572%3Fseite%3D6&ei=FN8mVZO-BMHGsgGTlYSYDw&bvm=bv.90491159,d.bGg&psig=AFQjCNHicxmGMBlvaUU9u5phdjHJq9BHOg&ust=1428697201492402

• Shaft, Impeller, Bearing, Blades, Coupling, Seals 1. Rotating Machine Components

http://www.mek.dtu.dk/

• Shaft, Impeller, Bearing, Blades, Coupling, Seals 1. Rotating Machine Components

http://www.mek.dtu.dk/http://www.google.dk/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http%3A%2F%2Farticles.sae.org%2F12407%2F&ei=md8mVdL7I8qdsgGY_4CYAQ&bvm=bv.90491159,d.bGg&psig=AFQjCNHicxmGMBlvaUU9u5phdjHJq9BHOg&ust=1428697201492402

• Shaft, Impeller, Bearing, Blades, Coupling, Seals 1. Rotating Machine Components

http://www.mek.dtu.dk/http://www.google.dk/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http%3A%2F%2Fspinoff.nasa.gov%2FSpinoff2010%2Ft_7.html&ei=JuEmVZiaGYyssAHP_4CoBA&psig=AFQjCNFdNQeAYYPv9WpKlUNtypyaFpp9Iw&ust=1428697567804598

• Shaft, Impeller, Bearing, Blades, Coupling, Seals 1. Rotating Machine Components

http://www.mek.dtu.dk/http://www.google.dk/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http%3A%2F%2Fwww.dieselduck.info%2Fmachine%2F01%2520prime%2520movers%2Fgas_turbine%2Fgas_turbine.htm&ei=xOEmVa73LMyxsAHS5IH4Aw&psig=AFQjCNFdNQeAYYPv9WpKlUNtypyaFpp9Iw&ust=1428697567804598

• The Rigid Disc (impellers, bladed-discs) 2. Finite Element Modeling

http://www.mek.dtu.dk/

• The Flexible Shaft 2. Finite Element Modeling

http://www.mek.dtu.dk/

• The Flexible Shaft 2. Finite Element Modeling

http://www.mek.dtu.dk/

• The Flexible Shaft 2. Finite Element Modeling

http://www.mek.dtu.dk/

• The Flexible Shaft 2. Finite Element Modeling

http://www.mek.dtu.dk/

• The Flexible Shaft 2. Finite Element Modeling

http://www.mek.dtu.dk/

• The Bearings 2. Finite Element Modeling

http://www.mek.dtu.dk/

• The Unbalance Force (lumped mass acting on the disc) – impellers and couplings 2. Finite Element Modeling

http://www.mek.dtu.dk/

• The Unbalance Force (distributed mass acting on the entired shaft) 2. Finite Element Modeling

http://www.mek.dtu.dk/

• The Global Model – An Example 3. Finite Element Modeling

http://www.mek.dtu.dk/

• The Global Model – An Example 3. Finite Element Modeling

http://www.mek.dtu.dk/

• The Global Model – An Example 3. Finite Element Modeling

http://www.mek.dtu.dk/

• Flexible Rotor – natural frequencies and mode shapes (modal analysis) 4. Theoretical & Experimental Example 1

http://www.mek.dtu.dk/

• Flexible Rotor – natural frequencies and mode shapes (modal analysis) 4. Theoretical & Experimental Example 1

http://www.mek.dtu.dk/

• Flexible Rotor + Structure Dynamics – transient and steady-state responses 5. Theoretical & Experimental Example 2

http://www.mek.dtu.dk/

• Flexible Rotor + Structure Dynamics – transient and steady-state responses 5. Theoretical & Experimental Example 2

http://www.mek.dtu.dk/

• Suggestion of good books and papers about Rotor Dynamics 6. References

http://www.mek.dtu.dk/