PeterOS
Grip
- Joined
- May 17, 2002
- Messages
- 19
Hoping some one might be able to help me out here. I want to find out what is the actual pressure build up inside a subwoofer, more specifically my Tempest Adire aligment. I want to do an analysis of how much the MDF moves under the pressure generated using ALGOR (its a Finite Element Analysis software).
I was on this website and thought I was sorted but what the hell is Xv???
http://www.silcom.com/~aludwig/Sysde...l_analysis.htm
Here a section of it. (the equation that goes with it would paste for me)
"A speaker cone with effective area SD moves sinusoidally with a peak excursion Xc. There is a vent of cross-sectional area Sv and length Lv. It is assumed that the air within the vent moves sinusoidally as a rigid mass with peak excursion Xv"
Any help would be appreciated. I want to do up a graph of the differt Freq's against the pressure. Pump these values into ALGOR and see what it gives me. I presume the biggest pressure will be at thee box's resonant freq.
If I get it done I will post the results for those who are interested. I will also be doing a analysis of the airflow through ported vents to see how much of a difference the vents make, these I will also post for those interested.
Cheers in advance
I was on this website and thought I was sorted but what the hell is Xv???
http://www.silcom.com/~aludwig/Sysde...l_analysis.htm
Here a section of it. (the equation that goes with it would paste for me)
"A speaker cone with effective area SD moves sinusoidally with a peak excursion Xc. There is a vent of cross-sectional area Sv and length Lv. It is assumed that the air within the vent moves sinusoidally as a rigid mass with peak excursion Xv"
Any help would be appreciated. I want to do up a graph of the differt Freq's against the pressure. Pump these values into ALGOR and see what it gives me. I presume the biggest pressure will be at thee box's resonant freq.
If I get it done I will post the results for those who are interested. I will also be doing a analysis of the airflow through ported vents to see how much of a difference the vents make, these I will also post for those interested.
Cheers in advance