Ibarra, who made 9 of 10 from the field, had his first double-double, finishing with 19 points and 10 rebounds. Odunsi made 7 of 11 field goals for 20 points.
The Huskies, who have won four straight at home, jumped out to a 10-0 lead and never trailed. ACU closed to 40-39 when LaDarrien Williams hit a 3-point jumper at the 13:33 mark in the second half. Smith responded with a trey and Terry Harris made two straight layups for a 47-41 lead.