def CreateSimpleMeshWithInterface(device,
region0,
region1,
interface,
material1='Si',
material2='Si'):
'''
Commonly used for the regressions
device length: 1
spacing: 0.1
contacts: top (x=0), bot (x=1)
interface: mid (x=0.5)
'''
devsim.create_1d_mesh(mesh='dog')
devsim.add_1d_mesh_line(mesh='dog', pos=0, ps=0.1, tag='top')
devsim.add_1d_mesh_line(mesh='dog', pos=0.5, ps=0.1, tag='mid')
devsim.add_1d_mesh_line(mesh='dog', pos=1, ps=0.1, tag='bot')
devsim.add_1d_contact(mesh='dog', name='top', tag='top', material='metal')
devsim.add_1d_contact(mesh='dog', name='bot', tag='bot', material='metal')
devsim.add_1d_interface(mesh='dog', name=interface, tag='mid')
devsim.add_1d_region(mesh='dog',
material=material1,
region=region0,
tag1='top',
tag2='mid')
devsim.add_1d_region(mesh='dog',
material=material2,
region=region1,
tag1='mid',
tag2='bot')
devsim.finalize_mesh(mesh='dog')
devsim.create_device(mesh='dog', device=device)
def CreateNoiseMesh(device, region, material='Si'):
'''
Commonly used for the regressions
device length: 1
spacing: 0.1
contacts: top (x=0), bot (x=1)
'''
devsim.create_1d_mesh (mesh='dog')
devsim.add_1d_mesh_line(mesh='dog', pos=0, ps=5e-7, tag='top')
devsim.add_1d_mesh_line(mesh='dog', pos=1e-5, ps=5e-7, tag='bot')
devsim.add_1d_contact (mesh='dog', name='top', tag='top', material='metal')
devsim.add_1d_contact (mesh='dog', name='bot', tag='bot', material='metal')
devsim.add_1d_region (mesh='dog', material=material, region=region, tag1='top', tag2='bot')
devsim.finalize_mesh (mesh='dog')
devsim.create_device (mesh='dog', device=device)
def make_moscap(device, interface_siox, region_ox, region_si, contact_ox,
contact_si, tox, tsi, ox_material, si_material):
'''
need to generalize, but good enough for our examples
'''
ds.create_1d_mesh(mesh="moscap")
if False:
ds.add_1d_mesh_line(mesh="moscap", pos=tox, ps=1e-7, tag="d0")
ds.add_1d_mesh_line(mesh="moscap", pos=0.0, ns=1e-9, ps=1e-7, tag="d1")
if tsi > 1e-6:
ds.add_1d_mesh_line(mesh="moscap", pos=-1e-6, ps=5e-9)
ds.add_1d_mesh_line(mesh="moscap", pos=-tsi, ps=1e-7, tag="d2")
ds.add_1d_contact(mesh="moscap",
name=contact_ox,
tag="d0",
material="metal")
ds.add_1d_contact(mesh="moscap",
name=contact_si,
tag="d2",
material="metal")
ds.add_1d_interface(mesh="moscap", name=interface_siox, tag="d1")
ds.add_1d_region(mesh="moscap",
material=ox_material,
region=region_ox,
tag1="d0",
tag2="d1")
ds.add_1d_region(mesh="moscap",
material=si_material,
region=region_si,
tag1="d1",
tag2="d2")
else:
ds.add_1d_mesh_line(mesh="moscap", pos=-tox, ps=1e-7, tag="d0")
ds.add_1d_mesh_line(mesh="moscap", pos=0.0, ps=1e-9, ns=1e-7, tag="d1")
if tsi > 1e-6:
ds.add_1d_mesh_line(mesh="moscap", pos=1e-6, ps=5e-9)
ds.add_1d_mesh_line(mesh="moscap", pos=tsi, ps=1e-7, tag="d2")
ds.add_1d_contact(mesh="moscap",
name=contact_ox,
tag="d0",
material="metal")
ds.add_1d_contact(mesh="moscap",
name=contact_si,
tag="d2",
material="metal")
ds.add_1d_interface(mesh="moscap", name=interface_siox, tag="d1")
ds.add_1d_region(mesh="moscap",
material=ox_material,
region=region_ox,
tag1="d0",
tag2="d1")
ds.add_1d_region(mesh="moscap",
material=si_material,
region=region_si,
tag1="d1",
tag2="d2")
ds.finalize_mesh(mesh="moscap")
ds.create_device(mesh="moscap", device=device)