TABLE I.

Material property conditions investigated in this study. The subscripts b and c denote the body and the cover layer, respectively, in two-layer models. For all conditions, the vocal fold density was 1.2 kg/mm³, and the minimum glottal half-width at rest was 0.2 mm.

Model	Model parameters and values
Isotropic one-layer	Case 1: Ei = 4 kPa; v = 0.4995
Isotropic two-layer	Ei,c = 4 kPa; Ei,b = [4–200] kPa; v = 0.4995
	Case 2: Ei,b = 120 kPa
Transversely isotropic one-layer	Et = 4 kPa; vap = 0.495; Eap = 4Gap
	Gap = [1–50] kPa
	Case 3: Gap = 50 kPa
Transversely isotropic two-layer	Et = 4 kPa; vap = 0.495
	Eap,b = 4Gap,b; Eap,c = 4Gap,c
	Case 4: Gap,b = 30 kPa; Gap,c = 1 kPa
	Case 5: Gap,b = 1 kPa; Gap,c = 30 kPa