{
	"section":
	[
		{
			"id":0,										sec_id
			"deck_node":0,
			"org_plate":0,
			"deck_plate":0,
			"bilge_plate":0,
			"open_sec":0,
			"structure_sec_id":0
		},
		{
		}
	]
	"sec_node":
	[
		{
			"id":0,										#节点id
			"sec_id":0,									#对应sec id
			"gen_code":0,								
			"y":0.0,									#坐标y
			"z":0.0,									#坐标z
			"a":0.0,									#0 正常节点大小  非0 放大两倍的节点size大小
			"structure_node_id":0,
			"structure_stiffener_id":0,
		},
		{
		}
	],
	"sec_plate":
	[
		{
			"id":0,										#板元id
			"sec_id":0,									#对应sec 
			"gen_code":0,								
			"node1":0,									板元第一个节点id
			"node2":0,									板元第二个节点id
			"t":0.0,									板元厚度
			"close_to_open":0,
			"structure_plateld":0,
			"structure_stiffener_id":0
		},
		{
		}
	],
	"girder":
	[
		{
			"subgirdercount":0,
			"secshearcorrect":0,
			"bhaftnodeid":0,
			"bhfornodeid":0,
			"hatchaftnodeid":0,
			"hatchfornodeid":0,
			"openaftnodeid":0,
			"openfornodeid":0
		},
		{
		}
	]
	"sub_girder"
	[
		{
			"id":0,
			"node_i":0,
			"node_j":0,
			"next_sec_id":0,
			"mat_id":0,
			"sec_id":0,
			"sym":0,
			"attach_id":0
		},
		{
		}
	],
	"pub":
	[
		{
			"ship_type":"",
			"nav_area":"",
			"nav_reach":"",
			"lpp":0.0,
			"l":0.0,
			"b":0.0,
			"d":0.0,
			"dmax":0.0,
			"cb":0.0,
			"column_super_struct":0,
			"column_double_deck":0,
			"a":0.0,
			"y":0.0,
			"yd":0.0,
			"sigma_deck":0.0,
			"sigma_bottom":0.0,
			"open_type":"",
			"hatch_coam":0,
			"torsion":0,
			"hatch_board":0,
			"gama":0.0,
			"hatch_width":0.0,
			"hatch_length":0.0,
			"bulkhead_space":0.0,
			"lifted_cargo":0.0,
			"p":0.0,
			"l0":0.0,
			"shore":0,
			"disp":0.0,
			"cargo_load":0.0,
			"super_struct_coef":0.0,
			"lh":0.0,
			"self_nav":0,
			"cargo_roro":0,
			"bulbous_bow":0
		},
		{
		}
	]
	"sub_node"
	[
		{
			"id":0,
			"x":0.0,
			"ux":0,
			"uy":0,
			"uz":0,
			"rx":0,
			"ry":0,
			"rz":0,
			"wx":0,
			"fr":0
		},
		{
		}
	],
	"attach":
	[
		{
			"id":0,
			"type":"",
			"Sec_node_id":0,
			"width":0.0,
			"height":0.0,
			"t":0.0,
			"tw":0.0,
			"len":0.0,
			"dist_i":0.0
		},
		{
		}
	]