bruce mayer, pe licensed electrical & mechanical engineer bmayer@chabotcollege
DESCRIPTION
Engineering 36. Lab-25 Chp9 Elliptical Dam. Bruce Mayer, PE Licensed Electrical & Mechanical Engineer [email protected]. Physical Situation. Recall Ellipse Eqn. Conceptually for an Ellipse centered at the Origin In P8.3.22. The problem. - PowerPoint PPT PresentationTRANSCRIPT
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt1
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Bruce Mayer, PELicensed Electrical & Mechanical Engineer
Engineering 36
Lab-25 Chp9
Elliptical
Dam
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt2
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Physical Situationy
xo
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt3
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
Recall Ellipse Eqn
Conceptually for an Ellipse centered at the Origin
In P8.3.22
22max
2
2max
2
1yy
xx
2
2
2
22
2
2
2
2
1105 z
yLxyx
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt4
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
The problem
Find the FORCE on the Elliptical Surface of the Dam
Find the CENTER of PRESSURE for the Dam Force
Note that incase The Ellipse is inthe 4th
Quadrant
y
xo
2
2
2
2
2
4100
1105
xy
yx
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt5
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt6
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt7
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt8
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt9
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt10
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
3-Force Body Check
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt11
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt12
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt13
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt14
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
The Answer Summarized
ENGR-36_Lab-17_Fa08_Lec-Notes.ppt15
Bruce Mayer, PE Engineering-36: Engineering Mechanics - Statics
3Force Body Checky
xo