Passive mass dampers are used for wind, not earthquakes. their performance for earthquake is so bad that researchers don't even bother studying it.
If you use google scholars, the only results you get are researchers mentioning in their intro that passive systems don't work for seismic and then they propose an active (ei. with motors, pumps, etc.) system or a semi-active system (ef. fluid dampers with electronically controlled valves).
Passive mass dampers (ei. no valves, motors, etc.) like the one in Taipei 101 require too long to resonate with the earthquake and dissipate energy. by the time they start doing work, the earthquake is over.
This subject is like airplane lift explanations, the misinformation gets repeated so much that it even make its way into college textbooks.
same thing, they take too long to start working. without active sensors/valves, they are useless for seismic and no one yet has been whiling to take the risk on active system. I'm sure we'll see them eventually, it's just not worth the risk for now.
They vaguely list it as a contribution but they have nothing to back it up.
On the other hand, you have scientists who ran computer simulations and shaking table experiments proving that passive damper do almost nothing during a seismic event.
As I said before, the reason they rarely get mentioned by actual engineers/scientist in this domain who can back up their claims is that we've known for decades that they are literally useless for seismic. We're at the point where you don't even need to quote sources on your peer-reviewed article to say in your intro that they don't work for this use case.
If you use google scholars, the only results you get are researchers mentioning in their intro that passive systems don't work for seismic and then they propose an active (ei. with motors, pumps, etc.) system or a semi-active system (ef. fluid dampers with electronically controlled valves).
Passive mass dampers (ei. no valves, motors, etc.) like the one in Taipei 101 require too long to resonate with the earthquake and dissipate energy. by the time they start doing work, the earthquake is over.
This subject is like airplane lift explanations, the misinformation gets repeated so much that it even make its way into college textbooks.