Re: [Libmesh-users] Applying an Inter-element Neumann Boundary Condition

2009-09-12 Thread Roy Stogner
On Sat, 12 Sep 2009, Ted Kord wrote: > The problem I actually have is that there's a concentrated load at a single > point, say x = 16 (domain: 0 < x < 20) which is represented mathematically > as : > > -0.5 - 30 * dirac-delta(x-16) > > As far as I know, this, i.e., -30 will have to be applied

Re: [Libmesh-users] Applying an Inter-element Neumann Boundary Condition

2009-09-12 Thread David Knezevic
Quoting John Peterson : > On Sat, Sep 12, 2009 at 4:08 PM, Ted Kord wrote: >> 2009/9/12 David Knezevic >> >>> Roy Stogner wrote: >>> On Sat, 12 Sep 2009, David Knezevic wrote:  Ted Kord wrote: >  How do I apply a Neumann B.C at an inter-element boundary? >>

Re: [Libmesh-users] Applying an Inter-element Neumann Boundary Condition

2009-09-12 Thread John Peterson
On Sat, Sep 12, 2009 at 4:08 PM, Ted Kord wrote: > 2009/9/12 David Knezevic > >> Roy Stogner wrote: >> >>> >>> On Sat, 12 Sep 2009, David Knezevic wrote: >>> >>>  Ted Kord wrote: >>> >>>  How do I apply a Neumann B.C at an inter-element boundary? > The same way as a usual Neuma

Re: [Libmesh-users] Applying an Inter-element Neumann Boundary Condition

2009-09-12 Thread Ted Kord
2009/9/12 David Knezevic > Roy Stogner wrote: > >> >> On Sat, 12 Sep 2009, David Knezevic wrote: >> >> Ted Kord wrote: >>> >> >> How do I apply a Neumann B.C at an inter-element boundary? >>> >>> The same way as a usual Neumann BC... the only trick is that you have to >>> find which intern

Re: [Libmesh-users] Applying an Inter-element Neumann Boundary Condition

2009-09-12 Thread David Knezevic
Roy Stogner wrote: > > On Sat, 12 Sep 2009, David Knezevic wrote: > >> Ted Kord wrote: > >>> How do I apply a Neumann B.C at an inter-element boundary? >> >> The same way as a usual Neumann BC... the only trick is that you have to >> find which internal element to apply it to. One way to do this wo

Re: [Libmesh-users] Applying an Inter-element Neumann Boundary Condition

2009-09-12 Thread Roy Stogner
On Sat, 12 Sep 2009, David Knezevic wrote: > Ted Kord wrote: >> How do I apply a Neumann B.C at an inter-element boundary? > > The same way as a usual Neumann BC... the only trick is that you have to > find which internal element to apply it to. One way to do this would be > to set the subdomain

Re: [Libmesh-users] Applying an Inter-element Neumann Boundary Condition

2009-09-12 Thread David Knezevic
Ted Kord wrote: > Hi > > How do I apply a Neumann B.C at an inter-element boundary? > The same way as a usual Neumann BC... the only trick is that you have to find which internal element to apply it to. One way to do this would be to set the subdomain_id of elements on one side of the inter-e