Rosetta lander Philae mechanical model: distribution of spring and damper forces.

Evolution of timings and velocities of Philae internal and touch-down forces at landing site Agilkia.

Philae ground penetration velocity and cratering at touch-down at landing site Agilkia.

Quantitative determination of dissipated energy by the lander internal damper and by ground penetration.

Quantitative determination of the compressive soil-strength of comet 67P by lander damper data.